How does the present perfect tense differ from the simple past tense?
The present perfect tense is used for actions that happened at an unspecified time in the past or have relevance to the present, while the simple past tense is
Identify the present perfect tense in this sentence: "They have completed their homework."
have completed
What is the form of the verbal sentence present perfect tense?
Subject + has/have + V3
They __________ (travel) to many countries this year.
have traveled
What does the present perfect tense means in the sentence "He has lost his keys"?
It means that he lost his keys at some point in the past, and they are still lost now.
They __________ (watch) a movie last night.
watched
Change this sentence into the present perfect tense: "I finished my homework."
He __________ (eat) sushi before.
has eaten
He __________ (buy) a new car last year.
bought
You __________ (be) very helpful today.
have been
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