八年级上册 unit 2 section B.pptxVIP

Unit2 how often do you exercise?;1.But my mother wants me to drink it. （P12) want sb. to do sth.“想让某人做某事” 否定: want sb. not to do sth. e.g. She wants me to bring him some pens.;2. She says it’s good for my health. （P12) be good for… 对……有益 be bad for… 对……有害 e.g. Eating vegetable is good for your health. 吃蔬菜对你的健康有益。;辨析： be good for：对……有益 e.g. Doing exercise is good for you. be good at:擅长……,后接名词、代词或动名词e.g. I’m good at (playing)basketball. be good with:和……相处友好 e.g. Are you good with children?;health: 健康，不可数名词 healthy：健康的，形容词 e.g. Fresh air and exercise are good for the health. The old man is very healthy.;3. How many hours do you sleep every night? （P12) 辨析： how many: 多少，提问数量，后接可数名词复数 e.g. How many books do you have? how much:①多少，提问数量，后接不可数名词 e.g. How much water do you want? ②多少钱，提问价格 e.g. How much are your shoes? ;4.Last month we asked our students about their free time activities. （P13) ask sb. about sth. “问某人关于某事的情况” e.g. I ask my teacher about today’s homework.;5.Here are the results. （P13) here 位于句首，句子要倒装。分为完全倒装和部分倒装，使用哪种倒装句取决于句子主语的词性。 ①主语是名词，须完全倒装 e.g. Here is a letter for you.这儿有你的一封信。 ②主语是代词，须用部分倒装 e.g. Here it is. 它在这儿。;6.We found that only fifteen percent of our students exercise every day. （P13) 本句是“find + that 从句”的用法。 e.g. He found that no one could answer his question. I found that the job was very interesting.;拓展：find作“发现、发觉”讲时，其后可接各种形式的复合结构 ① find + 宾语 +名词 We have found him (to be) a good boy. ② find +宾语 + 形容词 He found the room dirty. ③ find + 宾语 + 现在分词 I found her standing at the door.;百分数构成：基数词+ percent percent 没有复数形式，作主语时， 根据它所修饰的名词来判断谓语的单复数。 Forty percent of the students in our class are girls. 我们班40%的学生是女生。 Thirty percent of time passes. 30%的时间过去了。;7….twenty percent do not exercise at all! （P13) not…at all :一点也不，根本不 e.g. I don’t know about it at all. 对那件事我一点儿也不知道。 拓展： not at all: 不客气，相当于you are welcome。 e.g. -Thank you for your help.谢谢你的帮助。 -Not at all.不客气。 ;8.The