英文唔識解..幫手(10分)

2008-01-01 5:31 am
可以用返少少英文..黎解釋 但一定要清楚明白~

1.The present perfect continuous tense is used for an action which
started in the past and is still going on.

2.The past perfect tense is used for a past action that happened before
another past action.

3.The past perfect tense is also used for an action which ended before a point
of time in the past.

(另一樣野)if-clause,main clause又是咩黎??

唔該..大家急救架~

回答 (4)

2008-01-01 6:09 am
✔ 最佳答案
.The present perfect continuous tense is used for an action which started in the past and is still going on. 2.The past perfect tense is used for a past action that happened before another past action. 3.The past perfect tense is also used for an action which ended before a point of time in the past. (Equally is wild if-clause, main clause also is in addition) baa Lebanon? ?
.The 當前完善的連續的時態被使用為從前開始的行動並且仍然繼續。 2.The 過去完成時態被使用為a 通過發生在其它過去行動之前的行動。 3.The 過去完成時態並且被使用為結束在時刻之前從前的之前從前的行動。
I hope I can you!
參考: me
2008-01-02 2:59 am
1.當前完善的連續的時態被使用為從前開始的行動並且仍然繼續。
2.過去完成時態被使用為 通過發生在其它過去行動之前的行動。
3.過去完成時態並且被使用為結束在時刻之前從前的行動。
(另一樣野)如果條目, 主句
參考: MM
2008-01-01 10:05 pm
1.現在完成時連續的時態為從前開始的行動使用和仍然繼續。

2.過去完成時態為一個已過去的動作在另一次過去行動之前發生的行動。

3.過去完成時態為在時刻之前結束從前的行動也使用。

if-clause,main clause既用法:
If the phrase starts with IF ,use future tense.(如果詞組以"如果"開始,使用在將來時)
the phrase before or after IF phrase, use simple tense.(詞組在"如果"前後,則使用簡單的時態)

例子:

If I study, I will pass the exams.
(IF clause-present tense) (MAIN clause-future tense)

If you see John tonight, tell him to e-mail me.
(IF clause-present tense) (MAIN clause-future tense)
2008-01-01 5:48 am
2.past tense是已經過去的

1和3.past perfect tense是以前開始發生,現在還繼續


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