以下为《Cambridge English grammar》的无排版文字预览,完整格式请下载
下载前请仔细阅读文字预览以及下方图片预览。图片预览是什么样的,下载的文档就是什么样的。
GRAMMAR
U1
基本时态
Present simple (一般现在时)
E.g. I usually do my homework in the evening.
结构: 主语+谓语(do/does)+宾语
标志性的词或情况:usually, always, often, seldom(极少地)
Present perfect simple (一般现在完成时)
g. I’ve lived here since I was a child.
结构:主语+谓语(have/has done) +宾语
标志性的词或情况:since+时间点 ,yet, already, for+一段时间
描述已经发生的经历;过去发生的动作对现在的影响;
过去完成直到现在一直在进行;
Present continuous(现在进行时)
g. She is writing a book about her life.
结构:主语+be动词(am;is;are)+ doing
标志性的词或情况: doing, be动词(am ;is ;are)
Past simple(一般过去时)
g. I lost my phone last week.
结构:主语+谓语(did)+宾语
标志性的词或情况:yesterday; last week; last year词语是过去式
Past perfect simple(过去完成时)
E.g. I had forgotten my bus pass.
结构:主语+谓语(had done)+ 宾语
标志性的词或情况: had done; 描述过去的过去
Past continuous(过去进行时)
g. I was doing my homework.
结构:主语+ be 动词(was;were)
标志性的词或情况: at that moment
描述性时态(用于描写故事;小说;过去发生的事情)
Past simple(一般过去时)、
g. We spotted them on the mountain so we rescued them and took them to the hospital.
结构:主语+谓语(did)+宾语
标志性的词或情况:yesterday; last week; last year词语是过去式
Past continuous (过去进行时)
E.g. When we spotted them , they were standing next to some stones.
结构:主语+ be 动词(was;were)
标志性的词或情况: at that moment
Past perfect simple(过去完成时)
g. We spotted them because they had built a big sign.
结构:主语+ 谓语(过去分词)+ 宾语
标志性的词或情况:过去分词
Past perfect continuous(过去完成进行时)(强调结果)
E.g. We found them after we had been searching for a week.
结构:主语+ 谓语(had been doing)+宾语
标志性的词或情况: had been doing
Present perfect continuous(现在完成进行时)(强调过程)
g. She was tired bec 内容过长,仅展示头部和尾部部分文字预览,全文请查看图片预览。 是自己用:could
表示对现在的期待:用过去时
E.g: I wish I was able to speak French, but I am not.
表示过去的期待:用过去完成时
E.g: I wish I hadn’t been so lazy at school.
hope:现实的情况
E.g: I hope you get better soon.
Regrets:表示遗憾
Should+have+过去分词
E.g: It’s my fault, I should have locked the door.
[文章尾部最后300字内容到此结束,中间部分内容请查看底下的图片预览]
以上为《Cambridge English grammar》的无排版文字预览,完整格式请下载
下载前请仔细阅读上面文字预览以及下方图片预览。图片预览是什么样的,下载的文档就是什么样的。