5)表示按规定、时间表、计划或安排要发生的动作, 用一般现在时表将来,eg. DAre you on duty next weekend? 2The train leaves at 12:00. 6)在make sure(弄清楚),make certain(弄清 楚),mind(注意),watch(注意),take care (注意,当心)be careful(注意,当心)等后的 that从句中用一般现在时表将来,e.g. 1We must take care that no one sees us. 2Make sure you lock the door before you leave. 3Be careful that you don't hurt her feelings. 4Watch that the baby doesn't go near the heater. 7)it doesn't matter,I don't care,I don't mind 等结构后以及类似结构后的名词性从句用一般现 在时表将来,e.g
5〕表示按规定、时间表 、计划或安排要发生的动作, 用一般现在时表将来,e.g. ①Are you on duty next weekend? ②The train leaves at 12:00. 6〕在make sure (弄清楚),make certain (弄清 楚) ,mind (注意),watch (注意),take care (注意,当心) be careful (注意,当心)等后的 that从句中用一般现在时表将来,e.g. ①We must take care that no one sees us. ②Make sure you lock the door before you leave. ③Be careful that you don’t hurt her feelings. ④Watch that the baby doesn’t go near the heater. 7〕在it doesn’t matter, I don’t care, I don’t mind 等结构后以及类似结构后的名词性从句用一般现 在时表将来,e.g
1It doesn't matter where we go on holiday. 2Does it matter who goes first? 3I don't care whether we win or lose. 8)主句是将来完成时态,从句有by the time所 引导的从句用一般现在时表将来(主句是过去 完成时态,从句有by the time所引导的从句用 一般过去时),eg By the time he comes,I'll have left.By the time he came,I had left
①It doesn’t matter where we go on holiday. ②Does it matter who goes first? ③I don’t care whether we win or lose. 8〕主句是将来完成时态,从句有by the time 所 引导的从句用一般现在时表将来(主句是过去 完成时态,从句有by the time 所引导的从句用 一般过去时),e.g. By the time he comes, I’ll have left. ( By the time he came, I had left. )
二、一般过去时态 1.基本用法: 1)表示过去经常性或习惯性的动作,e.g. We often played together when we were children. 注:表示过去习惯性的动作,可用would,used to, e.g.He used to work by bus. 2)表示过去发生的动作或存在的状态: 1He bought the computer five years ago. 2It was then a small fishing village
二、一般过去时态 1.基本用法: 1〕表示过去经常性或习惯性的动作,e.g. We often played together when we were children. 注:表示过去习惯性的动作,可用would, used to, e.g.He used to work by bus. 2〕表示过去发生的动作或存在的状态: ①He bought the computer five years ago. ②It was then a small fishing village
2.特别用法: 1)表客气或委婉的现在: 1I wondered if you were free this evening. 2I thought you might like some flowers. (注:过去进行时也可表示现在使语气更委婉、客气,g. ①I was wondering if you could give me a lift.②We were hoping you would stay with us.能这样用的动 词主要限于want,wonder,think,hope,intend等少数 动词。) 2)一般过去时态用于某些特殊结构中表现在,这些结构 主要是it's time.,I wish.,would rather.,if only., asif.,as though.等:
2.特别用法: 1〕表客气或委婉的现在: ①I wondered if you were free this evening. ②I thought you might like some flowers. (注:过去进行时也可表示现在使语气更委婉、客气,eg. ① I was wondering if you could give me a lift. ②We were hoping you would stay with us.能这样用的动 词主要限于want, wonder , think, hope, intend等少数 动词。) 2 〕一般过去时态用于某些特殊结构中表现在,这些结构 主要是it’s time.,I wish., I would rather.,if only., as if., as though.等:
①lt's time we started. ②I wish I knew his name. 3I'd rather you lived with us. 注:would rather等还可用一般过去时表将来.e.g. I would rather you came next Monday
①It’s time we started. ②I wish I knew his name. ③I’d rather you lived with us. 注:would rather等还可用一般过去时表将来.e.g. I would rather you came next Monday