英語時態(tài)：過去完成時 概念解析
過去完成時：用法：在過去的時間里，兩個動作中，發(fā)生在前的哪個動作要用過去完成時。
結(jié)構(gòu)：had+過去分詞
After she had finished her homework, she went shopping.
They had sold the car before I asked the price.
The train had left before I arrived at the station.
After/before引導(dǎo)的時間狀語從句放在句首要在句子后面加逗號，如果放在主句后則不用加。
1.變疑問句將助動詞移到句首
Had she finished her homework?
2.變否定句在助動詞后面加not
She hadn’t finished her homework.
3.肯定回答及否定回答
Yes, she had. No, she hadn’t.
4.特殊疑問句：
What had she done?
結(jié)構(gòu)：had+過去分詞
After she had finished her homework, she went shopping.
They had sold the car before I asked the price.
The train had left before I arrived at the station.
After/before引導(dǎo)的時間狀語從句放在句首要在句子后面加逗號，如果放在主句后則不用加。
1.變疑問句將助動詞移到句首
Had she finished her homework?
2.變否定句在助動詞后面加not
She hadn’t finished her homework.
3.肯定回答及否定回答
Yes, she had. No, she hadn’t.
4.特殊疑問句：
What had she done?
- 作者：大學(xué)生新聞網(wǎng) 來源：大學(xué)生新聞網(wǎng)
- 發(fā)布時間：2018-05-11 瀏覽：
- It matters to this on
- Along the coast of the vast Atlantic Ocean there lived an old man. Each day when the tide went out he would make his way alon
- 06-16 關(guān)注：152
- Iam who I am 我就是我
- I’m unique in this world. Maybe I’m similarto others in some way, but I’m irreplaceable. Every word and beh
- 06-16 關(guān)注：150
- Happy Teacher's Day 教師節(jié)愉快
- For all the great things you say and do…
The best teacher's award goes to you.
因為您的身教言教,頒給您最佳教 - 06-16 關(guān)注：140
- Then life will be better 生活會更美好
- Mytea is gone cold I’m wondering why i got out of bad at all. The morning rainclouds up my window and i can’t see
- 06-16 關(guān)注：158
- important ofyour mature 心理成熟
- A farmer took on firewood by tramping overmountains and through ravines every day, In order to get a day's rations andlet
- 06-16 關(guān)注：134
- When you getting older 當(dāng)你老了
- All of the heart-break broke up won’t beharder than the final good-bye in the life. When that day comes to you, thebrok
- 06-16 關(guān)注：132
- So, smile away!繼續(xù)微笑吧！
- The thing that goes the farthest towardmaking life worthwhile, that costs the least and does the most, is just apleasant smil
- 06-16 關(guān)注：133
- stare with you that way 生活亦是如此
- Much meaning can be conveyed, clearly, with our eyes, so it is often said that eyes can speak.
我們的眼睛能準(zhǔn)確地傳達(dá)一些信息 - 06-16 關(guān)注：138
-
客服QQ：471708534 大學(xué)生新聞網(wǎng)©版權(quán)所有