Kategorier: Alle - negative - perfect - past - interrogative

af Alisson Jared Caisaguano Donoso 3 år siden

106

Past Perfect

The past perfect tense is used to describe an action that occurred before another past action. It employs the auxiliary verb "had" combined with the past participle of the main verb.

Past Perfect

Past Perfect

Time expressions

Ever
Never

had never seen such a small tipe od computer before I went in Japan

Since

Use

Express the cause of another past action/state
For reports what people had said , thought of believed.

Irregular verbs

go-gone
Had and Past Participle
When they change to new words, why don't they follow the general rule

Regular verbs

The verb ends in a consonant + y, removes -y and adds -ied. Example: cry - cried
The ending verb -e is added only -d Example: live - lived

-ed is added to most verbs. Example: jump - jumped

Verb in the consonant + vowel + consonant, doubled the last consonant and adds -ed . Example: chat - chatted

Had and the ed-form
- Negative form


S+HAD+NOT+PAST PARTICIPLE+C

Example:

Communications networks had not existed long before 1990s

+ Positive form


S+HAD+PAST PARTICIPLE+C

Example:

You had used that pen before it was lost.

? Interrogative form


HAD+S+PAST PARTICIPLE+C+?

Example:

Had he ever used Access before?

Used to express an action that occurred in the past before another action occurred.