(1)直接在动词后加ing

如：singsinging;skiskiing;

(2)双写词尾加ing

如：swimswimming;jogjogging;runrunning;

(3)以不发⾳的e结尾的去e加ing

如：rideriding;dancedancing;makemaking;18规则动词过去式的构成

(1)直接在动词后加ed

如：cleancleaned;milkmilked;playplayed;

(2)以e结尾的直接加d

如：dancedanced;tastetasted;

(3)以辅⾳字母加y结尾的改y为i加ed

如：studystudied;carrycarried;

(4)双写词尾加ed

如：stopstopped;jogjogged;

不规则的有：am,is are do,does have,has go meet sit see get tell run come stealstole;read　19形容词副词⽐较级的构成

规则的：

(1)直接在形容词或副词后加er

如；smallsmaller;lowlower;

(2)以e结尾的加r

如：latelarer;

(3)双写词尾加er

如：bigbigger;thinthinner;fatfatter;

(4)以辅⾳字母加y结尾的改y为i加er

如：heavyheavier;earlyearlier;

不规则的有：

good,wellbetter(级为best);many,much---more(级为most);

far---farther;

20rain与snow的⽤法

(1)作为名词意思是⾬⽔和雪是不可数名词

如：There is a lot of rain there in spring.那⼉的春天有很多⾬⽔。

(2)作为动词意思是下⾬和下雪，有四种形式分别是：

动词原形rain，snow；

第三⼈称单数rains，snows；

现在分词raining；snowing

过去式rained；snowed;

如：①Look!It is raining now.瞧！天正在下⾬。

②It often rains in Nantong in summer.南通夏天经常下⾬。

③It rained yesterday.昨天下了⾬。

④It is going to rain tomorrow.明天要下⾬。

(3)形容词为rainy和snowy意思是有⾬的和有雪的