三一口语四级语法

四级语法点解析

一 . 一般过去时(表达发生在过去的事情和状态)

1. 描述过去的事情(动词用过去式)

动词过去式变化

规则变化

1、一般情况下,动词词尾加 -ed ,如:

work ---worked play---played wanted----wanted act----acted

2、以不发音的 -e 结尾动词,动词词尾加 -d,如:

live---lived move----moved taste---tasted hope---hoped

3、以辅音字母 + y结尾的动词,把-y变为-i 再加-ed,如:

study---studied copy---copied cry---cried carry---carried

4、以一个辅音字母结尾的重读闭音节动词,双写词尾辅音字母,再加 -ed,如:

stop ---stopped

不规则变化(见不规则动词表)

E.g. I went to America last month/ year.

I had milk and bread this morning.

I visited Hainan 3 days ago.

They built this house thousands of years ago.

2. 描述过去的状态(am, is , are ------- was, were)

E.g. I was quite happy when I got my birthday present.

We were sad when we heard the bad news.

二 . 一般将来时

①will + do(动词原形)

表示将来肯定会做的事

E.g. I will go to school tomorrow.

I will have a test next week.

We will grow up in the future.

②be( am, is ,are ) going to + do(动词原形)

表示将来计划打算

I’m going to watch TV this afternoon. (做计划,但不一定会看)

He’s going to be a doctor in the future.

They’re going to play basketball tomorrow.

三 . 表喜好的 like + doing( 动词的ing 形式) like to + do ( 动词原形)

① like + doing 表习惯,爱好

I like reading books.( 爱好,持续很长时间了)

But my father likes doing sports.

①like to + do 表时暂时的想法

I’m thirsty , I like to drink some apple juice.

She feels bored, she likes to watch a movie for a while.

四 .形容词的比较级,最高级

变化规则

1.一般在词尾直接加er或est tall-taller-tallest,long-longer-longest

2.以不发音的字母e结尾的单词在词尾直接加r或st nice-nicer-nicest

3.以辅音字母+y结尾的词,把y变为i,再加er或est heavy-heavier-heaviest

4.重读闭音节,末尾只有一个辅音字母,双写这个辅音字母,再加er或est big-bigger-biggest

5.多音节的词,词前加more或most beautiful- more beautiful- most beautiful

6 不规则变化: good/well – better –best

bad/ ill - worse – worst