What is the primary function of the present perfect tense?

The present perfect tense expresses actions that occurred at an unspecified time in the past and are relevant to the present, or actions that began in the past and continue to the present.

How do you form the present perfect tense?

The present perfect tense is formed using 'have' or 'has' plus the past participle of the main verb. For example, 'I have visited' or 'She has completed.'

What is a key rule for using 'for' and 'since' with the present perfect tense?

'For' is used to indicate a duration of time (e.g., 'I have lived here for five years'), while 'since' is used to indicate a specific starting point in time (e.g., 'I have lived here since 2018').

Convert this sentence into the present perfect: 'They (to visit) the museum.'

The sentence in present perfect tense is: 'They have visited the museum.'

Identify the error: 'She has went to the store.'

The correct form is 'She has gone to the store.' The past participle of 'go' is 'gone,' not 'went.'

Which adverb indicates an action completed recently in present perfect tense?

'Just' is used to indicate a recently completed action, as in 'I have just finished my homework.'

Fill in the blank: 'He _____ (to break) his leg.'

The correct present perfect form is 'He has broken his leg.'

Choose the correct option: 'They (to see) that movie already.' A) have saw B) have seen C) has seen

The correct answer is B) have seen. The past participle of 'see' is 'seen.'