Question

I __________ him do it yesterday. (Points : 1)
seen
saw
have seen
had seen

Answer 1

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Answer 2

Have Seen

Answer 3

Thank you!

So "have seen" addresses time that began at some point in the past and continues to be relevant now in present (or takes a view of that action from the present), as in "I have seen him do that many times" or "I have seen that movie three times now."

If you are speaking about a similar span of action from a point in the past, it would be "had seen," as in "He asked me yesterday to go see <such and such a movie>, but I had already seen it three times."

Time in the perfect tenses (for example: have seen, has seen, had seen) is never absolutely specified. You can not use these tenses with an exact moment in time like "today" or "yesterday" or even "last week."

Your sentence requires a tense that will target a specific moment in time, and in this case, a specific moment in the past. So, you're looking for the simple past of, for this sentence, the verb "to see."

The simple present, simple past, and simple future for first person singular ("I") --

Today I see <something>.

Yesterday I saw <something>.

Tomorrow I will see <something>.