80125
In that sentence, what is the form of the verb?

> 世界の学生の６０．５％の１０億人が学校に行くことができなくなっています。

What's the difference with できないです?

Thanks in advance.
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2020-08-13T12:41:22.340
80113
2020-08-13T20:00:15.833
39992
question
conjugations
What is the form of that conjugation できなくなっています?
I suppose if you were to take it apart:

First of all, that part is a mixture of different grammatical forms.

できなくっています。

You first have a short negative potential verb できる －＞ できない Then you have the
te-form for that verb できなくて

And since verbs can be connected with the te-form なる is added at the end to
make できなくっています。

All in all, this would mean: to have become unable to do...

The reason why they don't use できない here is that they are talking about a
process.

```

     世界の学生の６０．５％の１０億人が学校に行くことができなくっています。
    
```

This means over time these students became unable to go to school and are also
currently not able to go to school.

If it was できない instead of できなっています。it would rather mean that a certain amount
of students have always been unable to go to school.
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2020-08-13T18:59:08.103
80121
2020-08-13T18:59:08.103
18873
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answer
Think of ない on its own first. The adverbial form is なく. Add the auxiliary なる
and you get なくなる (become not). This can be used to modify any verbal negative
ない.

できる - できない - できなくなる (become not able to)

Now you can add ～ている which describes an ongoing action or a state (in this
case, a state).

できなくなっている have become (and are now) unable to

> 学校に行くことができなくなっています have become unable to go to school
CC BY-SA 4.0
2020-08-13T20:00:15.833
80125
2020-08-13T20:00:15.833
25875
80113
answer