4. a lot 许多　 常用于句末　如：I eat a lot. 我吃了许多。

a lot of许多　== lots of 许多　常与名词连用

3. 提建议的句子：

①What/ how about +doing sth.?　

如：What/ How about going shopping?

　 ②Why don’t you + do sth.? 如：Why don’t you go shopping?

　 ③Why not + do sth. ? 　　　如：Why not go shopping?　　　

　 ④Let’s + do sth.　　 　　　　如： Let’s go shopping

　 ⑤Shall we/ I + do sth.?　　 如：Shall we/ I go shopping?

2. talk about 谈论，议论，讨论　如：The students often talk about movie after class. 学生们常常在课后讨论电影。

talk to sb. === talk with sb. 与某人说话

1. by + doing 通过……方式　如：by studying with a group

　 by 还可以表示：“在…旁”、“靠近”、“在…期间”、“用、”

　　　　“经过”、“乘车”等

　如：I live by the river.

　　　　 I have to go back by ten o’clock.

　　　　 The thief entered the room by the window.

　　　　 The student went to park by bus.

36. try one’s best to do　　　　 37. look up

34. compare … to …　　　　 35. instead, instead of

32. change …into …　　　　 33. with the help of sb.

31. too many, too much , much too

29. each other　　　　　　　 30. regard … as …　

27. go by　　　　　　　　　 28. see sb. / sth. doing