英语一般时态的概念有哪些?急!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 的过去式 4.否定形式:was/were+not;在行为动词前加didn't,同时...
一段时间一直做的时候是哪种时态答:2.时间状语:ago, yesterday, the day before yesterday, last week(year, night, month…), in 1989, just now, at the age of 5, one day, long long ago, once upon a time。3.基本结构:含有Be动词主语+was/were+形容词或者名词。不含有be动词:主语+动词过去式+...4.否定句:带be...
英语各种时态的概念和句型结构答:2、时间状语:ago, yesterday, the day before yesterday, last week(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:含有Be动词主语+was/were+形容词或者名词...不含有be动词:主语+动词过去式+...4、否定...