英语可数名词变复数时，一般在词尾

1）直接加s，例如:flowers,desks,trees,computers,boys

2)以s/z等结尾的名词后加es，读作/iz/,例如：classes,buzzes,brushes,watches,benches

3)（辅音字母加y结尾的名词）将y变i加es,例如:cities,countries,fatories

4)如词尾为-f,-fe,则一边变为-ves,例如：leaf--leaves   knife--knives

5)如词尾为辅音，辅音加o一般加es heroes例如：hero--heroes,potato--potatoes

注意：1有少数名词的复数形式较特殊：child--children  tooth--teeth,

man--men    woman--women

2 英语有些不可数名词没有复数变化

air,smoke,pollution,water

 

1、说话进正在发生或进行的动作.

Eg:Please dong't make so much noise.I'm studying请不要这样吵闹我正在学习。

Let's go out.It isn't raining any more.我们出去吧，现在不下雨了。

2、较长一段时间内正在进行的动作.

I'm reading an interesting book at the moment.i'll lend it to you when i've finished it.

我在看一本很有趣的书。我看完后借给你。

David is teaching English and learning Chinese in Beijing.

他正在学习英语和汉语在北京

3、最近的确定安排

--What are you doing tomorrow evening ?明晚你干什么？

--I'm going to the theatre.我去看剧去。

4、表示厌烦

He is always spenging.他总是挥霍无度。

Tom is always going away for weekends.(be always doing表示不耐烦）

t汤姆总是外出度周末。

 

肯定    Iam working.    You are working .

否定  I am not working.  You are not working.

疑问句  Am i working? Are you working?

多数动词的现在分词构成：ing read--reading/

以单结尾去e加ing  take--taking/live--living/write--writing

以ee结尾双写+ing see--seeing/agree--agreeing

以y结尾的直接加ing cry--crying/carry--carrying/enjoy--enjoying

单音节动词：以单一元音字母+单一辅音字母结尾，双写该辅音字母，再加ing；sit--sitting  run--running get--getting

动词为双音节或多音节：最后一个音节为重读音节，以单一元音字母+单一辅音字母结尾，双写该辅音字母，再加ing 

Eg: begin--beginning  admit--admitting   prefer--preferring

 

时间状语：时间状语从句表示时间，

引导词when/while/before/after/as/since/until

Do it now before you forget.

地点状语中：引导词where/wherever/anywhere

Sit wherever you like.

You can go anywhere you want.

 

make a mark 做记号

look for =try to find寻找