昆山靠谱的剑桥英语KET寒假培训班多少钱-为您推荐昆山美联英语培训学校,昆山美联英语辅导多年辅导品牌,1对1补习/小班授课。专业老师,马上选择!昆山美联英语辅导,个性化制定课程,情景互动学习,激发孩子兴趣,欢迎大家来咨询。
剑桥KET语法考点:过去进行时讲解
1. 过去进行时
用于谈论过去某个时间正在发生的事情
I was playing football at 3:30 yesterday.
用于谈论在过去某个时间同时发生的两件事
He was doing homework while his sister was watching TV.
过去进行时与一般过去时在同一个句子里出现的情况:
Iwas doing homework when mysister cameto talk to me.
Someone knocked at the doorwhilemy mother was cooking.
否定句、疑问句的表达方式:
He was not/wasn't working.
They were not/weren't speaking to each other.
Was he working?Yes, he was/No, he wasn't.
Were they speaking to each other? Yes, they were/No, they weren't.
2. can/can't/could/couldn't
在有些时候,could可以作为can的过去式使用
can/can't表示能力,用于现在时
I canhelp you.(我能帮助你)
could/couldn't表示能力,用于过去时,。比较:
I couldn't come yesterday.(我昨天不能来)
I could havecome yesterday.(我昨天能来,但是没来)
can/can't表示可能性,用于现在时
This can't be true.(这不可能是真的)
could表示可能性,用于过去时,或者用于现在时但语气没有can强烈
He couldn't go therewithout me.(他不可能不带我一起去)
can/could还可以在现在时中用于请求,区别在于could比can语气更委婉客气
Can you help me please?
Could you please open the door?
以上就是小编整理的昆山美联英语的相关内容,详情请咨询客服老师~
以上内容来源于网络,仅供参考,侵权联删
尊重原创文章,转载请注明出处与链接:http://www.peixun360.com/news/335758/违者必究! 以上就是昆山美联线上英语 小编为您整理昆山靠谱的剑桥英语KET寒假培训班多少钱的全部内容。