-
最佳答案：这个延续是指的你在说话的时候,你话里面的动作是否还在继续.就比如你说的等TOM的这个例子.如果还在等: i've been waiting for tom fo
-
最佳答案：神经！察课本或语法书
-
最佳答案：亲爱的同学,如果你那句话没有语法错误的话,我们还有必要帮你改吗》?你意识到的没有错,这句话在时态上发生了混乱.你前面用了过去完成,紧接着一个并列的现在进行时,肯
-
最佳答案：五年前我是一个歌手I was a singer five years ago.你20年前太有名气了You were too famous twenty year
-
最佳答案：they rushed to the tree. to their suprise,they found that there was a hole in th
-
最佳答案：I wrote him a letter a week ago but haven't received his reply yet.第一个句子没有强调过去动作
-
最佳答案：一半是现在时,外国人这类问候一般他们自己都没有时态的概念的.how are you doing?how's your day?how are you
-
最佳答案：what made you decide to come here?