正在进行时be+doing怎么加 最好举上例子
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正在进行时be+doing怎么加 最好举上例子
正在进行时be+doing怎么加 最好举上例子
正在进行时be+doing怎么加 最好举上例子
现在进行时be动词为am,is,are, 在其后加动词ing形式,例如:I am watching TV.She is doing her homework. They are having lunch.
过去进行时be动词为was,were,然后加动词ing形式,例如:I was watching TV at this time of yesterday.She was doing her homework at that time.
现在进行时be动词为am,is,are, 在其后加动词ing形式,e.g:I am doing my homework.He is taking a shower. They are playing together.
过去进行时be动词为was,were,然后加动词ing形式,e.g:I was doing my homework at this time yesterday.He ...
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现在进行时be动词为am,is,are, 在其后加动词ing形式,e.g:I am doing my homework.He is taking a shower. They are playing together.
过去进行时be动词为was,were,然后加动词ing形式,e.g:I was doing my homework at this time yesterday.He was taking a shower just now.They were playing together yesterday afternoon.
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