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一般过去式语法问你个语法:一般过去式的否定形式是was/were+not;在行为动词前加____?同时还原行为动词.

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一般过去式语法
问你个语法:一般过去式的否定形式是was/were+not;在行为动词前加____?同时还原行为动词.
一般过去式语法问你个语法:一般过去式的否定形式是was/were+not;在行为动词前加____?同时还原行为动词.
一般过去时态中,含be动词时,否定形式是was/were+not;含情态动词时,在情态动词的过去式后加not;含行为动词时,在行为动词前加didn't,同时还原行为动词.
I was at home last night.
I wasn't at home last night.
He could swim at the age of six.
He couldn't swim at the age of six.
They went home just noe.
They didn't go home just now.