冀教版九年級(jí)全一冊(cè) 活學(xué)活用 must 課件(共15張PPT)

1、活學(xué)活用 mustnStrengthening Epidemic Prevention and ControlWe must wash hands more often.We must pay attention to hygiene. We must open the windows more often. We must wear the maks.We must take the temperature at the school gate.Need we take the temperature before entering the classroom?Yes, we must, a

2、gain. Looking backWe _ walk on our own way to the classroom.We _ do it on the other way.mustmustntmustThey _ be in the diffrent classes. Looking back must 表示主觀看法，意為“必須，應(yīng)該，一定”。課本原句再現(xiàn)1)表示必須。例如: Every word must have power and meaning. (Lesson 19) we must keep a safe distance.2)在否定句中表示不許。例如:Cars mustnt

3、be parted here. (Page 185)We mustnt go swimming alone. 3)表示推測(cè)，用在肯定句中，意為“一定”，“準(zhǔn)是”。例如: It must be the kings musicians passing by. (Lesson 22) It must be dangerous by the river. 1）回答帶有must的一般疑問(wèn)句時(shí)，否定回答常用need not，而不用must not。例如： Must the students tell their parents where they will go? Yes, they must. (No

4、, they neednt) 2）回答帶有need的一般疑問(wèn)句時(shí)，肯定回答一般用must 。例如： Need the students tell their parents who they will go with and when they will come back? Yes, they must. (No, they neednt) 注 意Safety must come first 歌曲：危險(xiǎn)的地方我不去We must be away from the ponds or riversWe must keep safety in mindWe mustnt go to the dangerous placesPractice We mustntWe must cherish lives and prevent drowningWe must strengthen epidemic prevention and control.It