Question

He ( finish) this work by five O' clock.​

Answer 1

As it is not mentioned in the question to which tense shall the sentence be changed, hence we'll try changing it to every sentence.

Explanation:

• He finished the work by five o'clock is the past tense.
• He will finish the work by five o'clock is the future tense.
• He will be finishing the work by five o'clock is the future continuous tense.
• He would have finished the work is the past participle.
• He is finishing his work by five o'clock will be present continuous tense.

Answer 2

Explanation:

.................time does she finish work at five o clock