Past Perfect

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Past Perfect

Time expressions

Ever

Never

I 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.