1) 如果从句所叙述的为真理或不变的事实,则永远用现在时。 At that time, people did not know that the earth moves. He told me last week that he is eighteen. 2) 宾语从句中的助动词ought, need, must, dare 时态是不变的...
时间状语 一般现在时 every , sometimes, at , on Sunday, 一般过去时 yesterday, last week, an hour ago, the other day, in 1982, just now 一般将来时 next, tomorrow, in+时间, 现在完成时 for, since, so far, ever, never, just, yet,...
英语共有十六种时态,其表现形式如下(以study为例) 一般时 进行时 完成时 完成进行时 现在 study be studying have studied have been studying 过去 studied be studying had studied had been studying 将来 will study wil...
托福语法讲解:时态...
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间接引句:时态—在线英语听力室...