Question

he could not rise.(use unable to)​

Answer 1

Answer:

he was unable to rise.

Explanation:

could is used is a past tense. so was will come. here is ur sectence.

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Answer 2

The answer is as follows:

He was unable to rise.

• We need to rewrite the given sentence using the phrase 'unable to.' 'Unable' shares the same meaning as 'could not.' It refers to the failure of an act due to the lack of capability.

• 'Unable' is always followed by 'to,' and then the verb is written.

• In the given sentence also, the main verb 'rise' is placed after 'unable to.'