They jumped up with the joy to hear the good the news
Kill --- kill time --- time killer--- pain killer
Murderer
West --- in the west
Western country
Surprising--- astonishing
Alarm ---- alarm clock
Surgery---surgeon
Technology
Advanced --- in advance


不定式：
ü动词不定式在句子中可做主语，表语，宾语，状语，宾语补足语和主语补足语。
主语：It is good idea for parents to monitor the amount as well as the kind of television that their preschool child watches.
表语：My only wish now is to have a good sleep.
宾语：Most single parents find it hard to take care of a family alone
定语：You will find something to interest you there.
状语：In memorizing a number, you might try to associtate it with familiar numbers or events.
宾语补足语：It makes the digestive juices flow more freely.
主语补足语：The house is known to have been built by a British-man 70 years ago.
形容词的比较级和最高级的构成法：
ü一般情况：加-er, -est
Eg: small→smaller→smallest;
Tall→taller→tallest.
ü以-e结尾：加-r, -st
Eg: large→larger→largest;
nice→nicer→nicest
ü以“辅音字母+y”结尾：改y为I, 再加-er, -est
Eg: easy→easier→easiest;
Dirty→dirtier→dirtiest
ü重读闭音节且以一个辅音字母表示一个辅音：双写该辅音字母后再加-er, -est
Eg: fat→fatter→fattest;
Thin→thinner→thinnest
ü以-ow, -er为结尾：加-er, -est
Eg: narrow→narrower→narrowest;
Clever→cleverer→cleverest
ü以-le为结尾：加-r, -st
Eg: simple→simpler→simplest
ü其他结尾：加-er, -est
Eg: common→commoner→commonest;
Quiet→quieter→quietest
ü在形容词原级前加more, most：
Eg: beautiful→more beautiful→most beautiful;
Important→more important→most important
副词的比较级和最高级的构成法：
ü大多数副词在原级之前加more和most分别构成比较级和最高级。
Eg: warmly→more warmly→most warmly;
Quickly→more quickly→most quickly
ü少数单音节的副词，加-er和-est构成其比较级和最高级。
Eg: slow→slower→slowest;
Fast→faster→fastest;
early→earlier→earliest
几个形容词和副词的特殊比较级和最高级形式：
1. good, well→better→best
2. bad, ill, badly→worse→worst
3. many, much→more→most
4. little→less→least
5. far→father; further→farthest; furthest
6. old→older; elder→oldest; eldest