怎样分清“一般现在时,一般过去时,一般将来时和现答:2.时间状语:ago,yesterday,the day before yesterday,last week,last(year,night,month…),in 1989,just now,at the age of 5,one day,long long ago,once upon a time,etc.3.基本结构:be动词;行为动词 4.否定形式:was/were+not;在行为动词前加didn't,同时还原行为动词.四、现在进行时 ...
怎样分清“一般现在时,一般过去时,一般将来时和现答:2.时间状语:ago,yesterday,the day before yesterday,last week,last(year,night,month…),in 1989,just now,at the age of 5,one day,long long ago,once upon a time,etc.3.基本结构:be动词;行为动词 4.否定形式:was/were+not;在行为动词前加didn't,同时还原行为动词.四、现在进行时 ...