新概念二册课程

I have lost my pen.

I have hurt myself.

He has become a teacher.

She has broken my heart.

句型变化：

★变疑问句将助动词移到句首，变否定句在助动词后面加not.

e.g. Have you lost your pen? I have not lost my pen.

★肯定回答及否定回答

Yes, I have. No, I have not.

★特殊疑问句：

What have you done?

What has he done?

一般过去时与现在完成时的区别：

凡是有明确的表示过去的时间状语的句子为过去时

注意：有些动词表示的动作有一个终点，不能再延续，因此不能和表示一段时间状语连用

错：I’ve left Beijing for 3 days.

对：I left Beijing 3 days ago. I have been away from being for 3 days.

新概念英语第一册知识点：动词的变化

1)代词及be动词

主格 I we you you she/he/it they

宾格 me us you you her/him/it them

代词所有格 my our your your her/his/its their

名词性代词 mine ours yours yours hers/his/its theirs

be动词现在时 Am are are are is are

be动词过去时 was were were were was were

2)名词的复数

规则变化的名词复数形式

规则1 一般情况 s e.g. shell→shells toy→toys

规则2 以s, x, ch, sh结尾 es e.g. fox→foxes church→churches

规则3 以o结尾 s或 es e.g. radio→radios potato→potatoes

规则4 以f, fe结尾的，变f, fe为ves e.g. life→lives half→halves

规则5 以辅音字母 y结尾， 变y为i es e.g. sky→skies study→studies

3)动词的第三人称单数形式

规则1 一般情况 s e.g. like-likes, look-looks

规则2 以s, x, ch, sh和o结尾 es e.g. do-does, catch-catches

规则3 以辅音字母 y结尾， 变y为i es e.g. carry-carries, fly-flies

4)动词现在分词

规则1 一般动词加-ing e.g. look-looking, read-reading, play-playing

规则2 以不发音的字母结尾的单词去e加-ing e.g. make-making, take-taking, arrive-arriving

规则3 重读闭音节词结尾， 即单词中只有一个元音字母，其后紧跟一个辅音字母的词，双写辅音字母再加-ing e. g. run-running, sit-sitting, get-getting, swim-swimming, stop-stopping

5)动词过去式

规则动词变化

规则1 一般动词加-ed e.g. look-looked, watch-watched, play-played

规则2 以e结尾的加-d e.g. make-maked, arrive-arrived