2.Will +动词原形 这一结构表示将来, 不是打算做的事,

　　 而是表示将要发生的事. 例如

　　 It will be sunny tomorrow.

2. be going to + 动词原形 这一结构还表示打算, 计划决定做某事,常与

be going to 结构连用的时间状语有tomorrow, this evening, next week, next month, next year 等. 例如:

　　 I am going to do my homework this evening .

　 　They aren’t going to have any lessons next week.

1.be going to 结构表示一般将来时态, be 动词和人称

　 的数保持一致;表示即将发生的动作, 也可与will 替换,例如:

　　 A. I am going to play ping-pong this afternoon.

　　　　 = I will go to play ping-pong this afternoon.

　　 B. She is going to sing a song for us .

　　　　 = She will sing a song for us.

15. In Shijiazhuang, the winter is cold and the summer is much too hot.

　　 much too 相当于very , 意思是 “很, 十分” too much

　　 意思是 “太多”. 例如:

　 　The coat is much too expensive.

　 　Watching TV too much is bad for your eyes.

　(四) 语法知识

be going to 的用法

14.　 Well, Canada is farther north than China.

　　 farther 是far 的比较级.例如:

Hudson sailed farther north and west than any European before him.

哈德逊比他以前的任何欧洲人航行的往北,往西.

13. They run away, laughing, singing, and jumping in all the puddles.

　　 run away 意思是 “跑开, 逃走”句子中laughing , singing,

　　 and jumping 都是现在分词, 作伴随状语.如:

　　 Jenny arrives, dancing and singing a happy song .

12. You can play outside with no winter coat and mittens!

　　 with no 意思是 “没有任何”相当于without any .

　　 He came to school with no food.

11. Li Ming holds something else in his hand.

　　 else 意思是 “别的, 其他的”, 修饰不定代词或疑问代词,

　　 并放在他们的后面. 例如:

　　 Do you have anything else?

What else can you see?

10. It is Li Ming’s turn to speak.

　 turn 是名词,意思是 “轮流”.

　 It’s sb.’s turn to do sth. 意思是 “该轮到某人做某事了”.

　 It’s your turn to clean the room.

9. This is for you.

　　 介词for 后的代词需要用宾格. 例如:

The gift is for us.