What is the present perfect describing? (+words, which show that something happened in the past and continue into the present)
Which adverbs can be used with the present perfect?
-already, ever, never, and (not) yet
What is the difference between simple past and present perfect?
-present perfect can refer to event that began in the past, continue until now and may continue in the future; the simple past expresses completed events;
(-present perfect: action completed at an unspecified time in the past that has an effect in the present;
-simple past: action completed in the past that does not have an effect in the present)
What should you use always with already and yet?
-present perfect
What does the present perfect progressive focus on?
-focus on the ongoing nature of the activity
What does the present perfect suggest?
-it suggests that the action is finished
Which verbs can you use either present perfect or present perfect progressive?
-habitual actions began in the past and continue up to the present (live, study, teach, wear, and work)
When do you use present perfect progressive?
Which time clause express how much/how many?
-present perfect
Which time clause express how long?
-present perfect progressive
For what is the past perfect used?
-to describe a completed event that happened before another event in the past
Which tense is used when we are reporting a speech which is in simple past? (Common reporting verbs)
- tell, say, find out, learn, and discover
What is the past perfect progressive emphasizing?
When do students use since?
-a specific point in time (e.g., 2002, last May, nine o’clock)
When do students use for?
-a length of time (e.g., months, three years)
What can the present perfect also express?
-has happened repeatedly from a point in the past up to present time