一．英语时态 现在进行时 过去进行时 现在完成时总结
2.现在进行时
我正在家写作业。
I am doing homework at home.
3.过去进行时
他刚才在家写作业。
He was doing his homework at home.
4.现在完成时
他已经完成作业了。
He has finished his homework.
二．疑问句分为一般疑问句，特殊疑问句
1.一般疑问句（动词/助动词提前，语序不变）
Has he finishedhis homework?
2.特殊疑问句
a.对主语提问，语序不变
Who has finishedhis homework?
b.非主语提问，特助主谓
What has hefinished?
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