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This question has come up on the side of at least a couple of other questions,
but I don't think it's been definitively answered, so let's see if we can come
up with something solid.

After going through the first ten pages of Google results for both "ていてください"
and "ていて下さい" (very scientific, I know), I found 43 verbs and expressions that
precede these forms. The most common:

```

    待つ (まつ):                50 results
    見る (みる):                33
    楽しみにする (たのしみにする):  25
    覚える or 憶える (おぼえる):  19
    生きる (いきる):              9
    期待する (きたいする):         5
    見守る (みまもる):            4
    強いる (しいる):              3
    離れる (はなれる):            3
    知る (しる):                 3
    思う (おもう):                3
    
```

待つ is somewhat expected, but there are some interesting entries here, such as
生きる and 離れる. How is 生きてください different from 生きていてください, and likewise, how is
離れてください different from 離れていてください? At a minimum, let's try to answer:

  1. **What is the difference in nuance between these two?**
  2. **When should you choose one over the other?**

Bonus points if you can draw from a trusted reference.

Related:

  * [What does the final て in 待ってて signify?](https://japanese.stackexchange.com/questions/948)
  * [deceze's answer for Am I coming or going? 戻ってくる vs 戻っていく](https://japanese.stackexchange.com/questions/1204/am-i-coming-or-going-vs/1208#1208)
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2011-06-22T13:46:02.097
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2011-12-29T06:16:17.827
2017-04-13T12:43:44.207
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grammar word-choice nuances て-form
What's the difference between ～てください and ～ていてください?
I think each verb is somewhat a case of its own, but generally speaking they
all seem to relate somehow to the progressive nature of the ～ている form.

If we get to the specifics, here are my impressions, based on my experience,
intuition and grammatical understanding (all of them seem to point to the same
thing in this case, which is good). Sorry, no references now, but maybe I'll
try to search for some academic papers later. There's a good chance you can
find some on Google Scholar:

  * **生きていてください**  
I'm almost positive I've already heard or seen it somewhere. It seems to mean
something along the lines of "Please keep being alive" or "Please stay alive",
instead of `生きてください` which means just "Please live", with an implied meaning
such as "living through something" or "choosing life over death", but not
"staying alive". According to Google, it's actually much more common than
`生きてください`, and that's only natural, since in English too you'd usually ask
people to stay alive instead of just "live". :)

  * **離れていてください**  
This is again the case of a request for keeping some state for a prolonged
period instead of just doing a single action. I don't think I've encountered
this specific verb in this form (though it does seem very common according to
Google), but it's easy to understand it as "separate and remain separated", or
maybe even more simply "stay away", "keep distance".

  * **覚えていてください**  
_Remember for a prolonged period_. Or as we'd probably say in English: _keep
in mind_.

  * **見守っていてください**  
_Observe closely for a prolonged period_. Or idiomatically: _Keep an eye_.

  * **期待していてください** _Expect for a prolonged period_. Or idiomatically: _stay tuned_.

You've probably noticed how much I've had to resort to idioms in English to
translate these Japanese phrases more accurately. That's because English
doesn't have an progressive imperative construction. And you may have also
noticed I heavily used the verbs _keep_ and _stay_ in most of the idioms I
gave. That's because while English cannot express a progressive imperative, it
can always express a meaning of remaining in a certain state by using verbs
such as _stay_ , _remain_ and _keep_. These verbs usually take an adjective or
an adverb (including a preposition-as-adverb) and not another verb, so their
use is very idiomatic and not as regular as in Japanese.
CC BY-SA 3.0
2011-06-22T16:58:44.143
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2011-06-22T16:58:44.143
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answer
Grammatically speaking, I totally and completely agree with Boaz Yaniv san.

But I guess Derek san might need ‘feeling’ when choosing the words.

I would think this way only based on my experiences.

## てください

doesn’t require the listener’s attention to the speaker’s request so much,
because it refers to one point in time. Therefore, てくださいtends to be used in
easy-going situations.

  * Time: now
  * Things: in front of your eyes
  * The speaker’s emotion: easy
  * The listener’s emotion: easy

## ていてください

requires the listener’s attention very much. Also, the speaker pays more
attention to the way the listener answers to his requirement. The speaker’s
feeling is ‘I’m always with you.’ This is because it refers to long time.
Therefore, ていてくださいtends to be used in serious situations.

  * Time: from now to the future
  * Things: invisible
  * The speaker’s emotion: serious
  * The listener’s emotion: serious

Let’s see some words out of your word collection. (Excuse me for you, you, you
expression.)

## 待つ

Your friends are walking on and on. You are left behind. You say 待ってください to
them. But they keep going. Then you say 待って（い）てください. (Your hope is growing
stronger. You want to be with them and want them to wait until then. Your hope
is sent to your friend by saying that.) (Of course you can say 待ってくださいagain,
but the feeling is a little calmer than 待っていてください)

Another 待ってくださいcommon situation. Your Japanese friends are speaking Japanese
very quickly and you can’t understand. Then you say 待ってください to interrupt their
conversation. Another 待っていてくださいcommon situation. You have to go abroad on work
for a long time. Your girlfriend is home land without you. Then you say
待っていてください. (I’ll soon be with you! Then we are going to get married!).

## 生きる

You go to Japan for volunteer activity after a big earthquake. When you finish
your work, you say 強く生きてください to the local people. It’s a pretty normal
situation. The people accept your great kindness, because it is a kind
farewell phrase for such people. But if I were an affected person, I would be
happier to hear 元気で生きていてください. Some people might not feel such difference, but
I would accept your be-with-you feeling. 生きてくださいsounds from distance for some
reason. When I hear 生きていてください, I have a picture in my mind; you might come
back to Japan in the future and we might drink to each other’s happiness!

## 見守る

You are a celebrity. You got married with your girlfriend. In a press
conference, you say 僕たちを温かく見守ってください to the audience. (Well, sometimes you say
見守っていてください. But any celebrity has a pretending be-with-you feeling, I think.)
After that, you hold a marriage party inviting your friends. You say
僕たちを温かく見守っていてくださいto your friends. (Well, of course, you can say 見守ってください. But
if you have a strong emotion, you will naturally say the longer phrase to
express your feeling.

All in all, contexts are more important than rules to understand the meaning.
Some people say there are no such differences between them. I understand the
opinion in some points. But the core meaning of two phrases seems like this,
at least to me. This might be a hypothesis, but it might be interesting to add
something to it or correct it through your Japanese experience.

Now, my English writing energy is up. Whew! I’m hoping you like this
explanation. Thank you.
CC BY-SA 3.0
2011-06-24T07:07:24.123
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2011-06-24T08:15:31.610
2020-06-17T08:18:27.500
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answer
**～てください** :

  * one-off request

![enter image description here](https://i.stack.imgur.com/gbCiO.png)

**～ていてください** :

  * asks for continued commitment to the requested action
  * the speaker may not be there during that time, but it's assumed that the two will meet again in the near or far future (and check back on the result)
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2011-06-24T15:39:54.550
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2011-06-24T15:39:54.550
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answer