來(lái)源:網(wǎng)絡(luò)資源 2022-03-13 21:27:05
謂語(yǔ)部分構(gòu)成
was/ were+doing
句式
肯定句:I was watching TV at that time.
否定句:I was not (wasn’t) watching TV at that time.
一般疑問(wèn)句: Were you watching TV at that time?
特殊疑問(wèn)句: What were you doing at that time?
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