Unit 15: USING THE VERB FORMS
Unit 14 tells you the names of the different forms and how to make them. This unit tells you when to use them.
Base form
IN PRESENT TENSE (except for 3rd person singular)
EXAMPLES:
We live near you.
Have you lived here long?
Do you live here?
AFTER AUXILIARY VERB DO (Unit 17)
EXAMPLE: Did you live there?
IN IMPERATIVES (Unit 18)
EXAMPLE: Have a seat!
AFTER TO
EXAMPLE: I wanted to go home.
AFTER MODAL VERBS (Unit 27)
EXAMPLE: You must hurry.
-s form
Use only in third person singular (Unit 2) of present tense.
EXAMPLES:
He lives near you.
Has he lived here long?
Does he live here?
Past form
Use only in past tense.
EXAMPLES:
They lived near you.
He had lived with them.
Did you live here?
-ing form
IN CONTINUOUS FORMATIONS (Units 22, 23, 24)
EXAMPLES:
He is living with them.
She has been swimming.
AS A NOUN (Unit 48)
EXAMPLE: Living here is very nice.
Past participle
IN PERFECT FORMATIONS (Unit 24)
EXAMPLE: He has lived in many places.
IN PASSIVE FORMATIONS (Unit 43)
EXAMPLE: Tea is drunk everywhere.
NOTICE: The forms of be and their uses are in Unit 16.
