had+past participles

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past perfect:

(1):

completed action before an action in the past.

1.read the book that the movie was made from.

2.watch the movie

3.now

(sb. or sth.)(adj.)(sth.)because(sb. or sth.) had (v.past)(sth.).

(2):

duration before something in the past.

1.had the car for ten years.

2.it broke down.

3.now.

(sb. or sth.)had(adj.)(sth.)for(a time)before it (adj.)

安达市发生大苏打哇撒大苏打实打实大苏打

past perfect＝had ＋ past participle

［－ed］

had+past participle(-ed)

past perfect = had + past participle[ed]

past perfect=had+past participle[-ed]

                   pastperfect:play

         singular                      plural

     I had played               we had played

    you had played           you had played

    he,she,it had played    they had played

       book                movie               now

_______|________________|_______________|_______

       past                   past              present

Past Perfect=had+past participle(-ed)

    book >>> movie      now

________I__________I___________I________

    past     past     present