Fix grammatical errors in this sentence: The mattresses were quite hard, but despite this I didn't lacked sleep.
The mattress was hard, but I didn't lack sleep.
The verb "to sleep" is a modal verb, so it is used in the present tense.
The verb "to sleep" is a modal verb, so it is used in the past tense.
The verb "to sleep" is a modal verb, so it is used in the past tense.
The verb "to sleep" is a modal verb, so it is used in the present tense.
The verb "
The mattress was very hard, but I didn't lack sleep.
The sentence is a perfect example of a sentence that is grammatically correct.
The sentence is a perfect example of a sentence that is grammatically correct.
The sentence is a perfect example of a sentence that is grammatically correct.
The sentence is a perfect example of a sentence that is grammatically correct.
The sentence is a perfect example of a sentence that is grammatically correct.
The sentence is a perfect example