1、Be kind to our sister.,Watch your steps.,No parking.,Go and wash your hands.,Be quiet, please,What are these sentences?,1.至少- 2.在古代- 3.很多不同的方式 4.由組成 5.發(fā)展; 發(fā)育 - 6.幫助某人干某事 7. 代表; 表示 8.一瞬間;很快,at least in ancient times in many different ways consist of develop help sb (to ) do sth. stand for in a flash,

2、定義：用于表達(dá)命令、請(qǐng)求、勸告、警告、禁止等的句子叫做祈使句.,祈使句（Imperative Sentence）,祈使句主語(yǔ)通常都省略。祈使句的動(dòng)詞都為一般現(xiàn)在時(shí)。,Park the car here.,祈使句以 開(kāi)頭.,Find the book.,Use your computer.,Open the door.,Write it down in figures.,Multiply it by zero and then add 1.,動(dòng)詞原形,Please find out the verbs of these sentences。,1. -Its her birthday next w

3、eek. -Then _ (not tell) her about the surprise party.,dont tell,2. How can I get to Peoples Hospital? - _ (go) along the street and _ (turn) left at the lights.,Go,turn,Finish the exercises in page 49.,3. We have to finish the work in two hours. - Then lets _ (not waste) any time.,not waste,4. _ (no

4、t make) so much noise, please - OK.,Dont make,5. _ (look) out! Theres a car coming. - Thanks.,Look,將下列句子變成祈使句：1. Would you like to wait a moment?_ _ a moment.2. Can I use your bike? Please _ _ your bike.3. Youd better not smoke here._ _ here.4. You must be careful with your handwriting. _ _ with you

5、r handwriting.5. Will you please not play with my pencil? _ _ with my pencil_.,Please wait,lend,smoking,No,Dont play,Be careful,Please,me,Ordinal numbers,What is ordinal number ？,表示次序的數(shù)詞叫序數(shù)詞，是由基數(shù)詞變化來(lái)的如 fourth，ninth,序數(shù)詞的變化規(guī)則,one - Two - 3 three -,first,second,third,其余的序數(shù)詞是由基數(shù)詞后加 變化而來(lái),th,four,fourth,t

6、hirteen,thirteenth,hundred,hundredth,five,？,fifth,幾個(gè)特殊變化的序數(shù)詞,1 five- 2 twelve- 3 eight- 4 nine-,fifth,twelfth,eighth,ninth,整十的序數(shù)詞把 y 變成 i加-eth,1 twenty-twentieth 2 thirty-thirtieth 3 forty-fortieth 4 fifty -fiftieth 5 你能寫(xiě)出 sixty seventy eighty ninety 的序數(shù)詞嗎？,sixtieth seventieth eightieth ninetieth,幾十

7、幾的序數(shù)詞，十位數(shù)不變，個(gè)位數(shù)變成序數(shù)詞,1 twenty-one 21-twenty-first 21st 2 thirty-two 32-thirty-second 32nd 3 ninety-nine 99-ninety-ninth 99th 4 請(qǐng)寫(xiě)出66 83 48 55的序數(shù)詞,sixty-sixth eighty-third forty-eighth fifty-fifth,Take out a paper quickly, write down the following ordinal numbers on it. Three minutes later, you shoul

8、d hand in your paper,1 - 30 40 49 50 55 60 68 70 80 90 100,日期的表達(dá) date,Whats the date today? Its March 28th.,英語(yǔ)月份的縮寫(xiě) January(Jan.)一月； February(Feb.)二月； March(Mar.)三月； April(Apr.)四月； May五月； June(六月； July七月； August(Aug.)八月； September(Sept.)九月； October(Oct.)十月； November(Nov.)十一月； December(Dec.)十二月 .,星期縮寫(xiě) 星期 縮寫(xiě) Sunday（星期天） Sun Monday（星期一） Mon Tuesday（星期二） Tue, Tues Wednesday（星期三） Wed, Weds Thursday（星期四） Thu, Thur, Thurs Friday（星期五） Fri Saturday（星期六） Sat,（ 1879.3.14-1955.4.),Einstein,His birthday is March 14th.,Lu Xun. His birthday is Sept.25th,(1881.9.25-1936.10.19),