Course 18 Unit 6 Review

What's this structure's tense? (Sbj + has/have + V3)

• Present Perfect Continuous

• Simple Past

• Present Perfect

• Past Perfect

What's this structure's tense? (Sbj + had + V3)

• Present Perfect Continuous

• Simple Past

• Present Perfect

• Past Perfect

What's this structure's tense? (Sbj + has/have been + Ving)

• Present Perfect Continuous

• Simple Past

• Present Perfect

• Past Perfect

We use the past perfect...

• To report an event without giving a specific time reference.

• To report an event with a specific time reference

• For completed actions

• For ongoing actions.

We use the present perfect...

• To report an event without giving a specific time reference.

• To report an event with a specific time reference

• For completed actions

• To describe permanent situations and recently completed actions.

We can use the present perfect with unspecific expressions such as: ever, never, once, many times, several times, before, so far, already, yet, etc.

• True

• False

Leave, work, teach, and study are verbs we can use with both the present perfect and the present perfect continuous with NO difference in meaning.

• True

• False

Temporary situations and uncompleted actions can be described with the simple past

• True

• False

Lately, I _________________ in a neighborhood crime-watch program. (participate)

• have been participating

• was participate

• have participated

• have participating

Luckily, my family _________________ so far. (not have)

• has not been having

• not have

• has not had

• has not had any trouble