if真實(shí)條件句語法及練習(xí)

1、般現(xiàn)在時(shí)1. 1含be動(dòng)詞的一般現(xiàn)在時(shí)1 含義：表示一般性，經(jīng)常性的動(dòng)作或一般性事實(shí)。2. 謂語動(dòng)詞的構(gòu)成：am / is / are3. 句型：1) 肯定句：主語+ be動(dòng)詞+其他。注意：句子的第一個(gè)單詞的首字母大寫；句末加實(shí)心點(diǎn)。2) 否定句：主語+ be動(dòng)詞+ not+其他。注意：句子的第一個(gè)單詞的首字母大寫；在be動(dòng)詞后面加not;句末加頭心點(diǎn)。3) 般疑問句：Be動(dòng)詞+主語+其他？注意：把be動(dòng)詞提前；句子的第一個(gè)單詞的首字母大寫；第一人稱改為第二人稱；句末加問號(hào)?？隙ɑ卮穑篩es,主語+ be動(dòng)詞。否定回答：No,主語+ be動(dòng)詞+ not.4) 特殊疑問句：特殊疑問詞+ 般疑問句

2、?1.2含實(shí)義動(dòng)詞的一般現(xiàn)在時(shí)1含義：表示現(xiàn)在的事實(shí)或狀態(tài)表示現(xiàn)在的習(xí)慣或反復(fù)的動(dòng)作2. 謂語動(dòng)詞的構(gòu)成：do/does3. 動(dòng)詞的第三人稱單數(shù)形式的變化形式(動(dòng)詞的適當(dāng)形式)般情況下，直接在動(dòng)詞后面加So例：want - wants以s,x,sh,ch,o結(jié)尾的動(dòng)詞，力口 eSo攸ij: wash washes ; go - goes;do -does以輔音字母加y結(jié)尾的動(dòng)詞，變y為i再加es。例：try-tries4. 句型:肯定句：主語+動(dòng)詞原形+其他。（主語非三單）主語+動(dòng)詞的適當(dāng)形式+其他。（主語是三單）否定句：主語+ do+ not +動(dòng)詞原形+其他。（主語非三單）主語+ does

3、 + not +動(dòng)詞原形+其他。（主語是三單）般疑問句：Do+主語+動(dòng)詞原形+其他？（主語非三單）肯定回答:丫 es,主語+ do.否定回答:No,主語+do+not.Does+主語+動(dòng)詞原形+其他？（主語是三單）肯定回答：Yes,主語+does.否定回答：No,主語+ does +not.特殊疑問句：特殊疑問詞+ 般疑問句？般將來時(shí)2.1 Be goi ng to 句型1 含義：打算要做某事準(zhǔn)備做某事2. 謂語動(dòng)詞的構(gòu)成：be going to + V原3. 句型：肯定句：主語+ be goi ng to + V原+其他。否定句：主語+ be + not + goi 09憶+ /原+其他。一

4、般疑問句：Be +主語+ goi ng to + V原+其他？肯定句：Yes注語+ be.否定句：No,主語+ be + not.特殊疑問句：特殊疑問詞 + 般疑問句？2.2 will/shall1含義：表示將要做還沒有做2. 謂語動(dòng)詞的構(gòu)成：will / shall + V原3. 句型：肯定句：主語+ will/shall+ V原+其他。否定句：主語+ will / shall + n ot + V原+其他。般疑問句:will / shall +主語+ V原+其他?肯定句：Yes注語+ will / shall.否定句：No注語+will / shall+ n ot.特殊疑問句：特殊疑問詞

5、+ 般疑問句？If真實(shí)條件句：（主將從現(xiàn)）1. if意為“如果”，引導(dǎo)條件狀語從句，可放在主句后，也可放在主句前，常用逗號(hào)隔 開。2. 含if引導(dǎo)的條件狀語從句的復(fù)合句中，主句有下列情況時(shí)，從句用一般現(xiàn)在時(shí)表示將來 音義.當(dāng)主句為一般將來時(shí)態(tài)時(shí)。女口： If your daughter comes, I will call youup.當(dāng)主句是祈使句時(shí)。女口 ： Please stay at homeif it rains tomorrow.當(dāng)主句的謂語含有can, may, must等情態(tài)動(dòng)詞時(shí)。如:If he goes on smoking, it may be very bad for

6、his health.如:I want to go there if the rain stops.單項(xiàng)選擇f youto the party, youII have a great timeif itA. will goB. wentC. goD. going2. Iher the an swer if she me.A. can tell, will ask B. will tell,will ask C. would tell, askD.will tell, asks3. What are you going to do tomorrow? -WeII go to the librar

7、y tomorrowA. isn ' t rainB. rainC. won t rainD. doesn rt rain4. What will you do if youto the old folks home visit?A. goB. wentC.going5. I ' II give the book to him if hehere n ext Sunday.A. will come B. comesC. is comi ngD. will goD. Came1. If hehard, he will get good grades.A. study B. Stu

8、diesC. will studyD. Studied2. I want to know if MaryA. go B. Wentto the party tomorrow.C. will goD.goes3. Every one must dress up. If youA. don * t B. won,they won't let you in.C. canr tD.mustn* t4. Mary will go to Sanya if shea five-day trip.A. haveB. Had5. If he comes late,A. andB. SoC. will h

9、ave D. hashe will miss the train.C./D. or二、用所給詞的適當(dāng)形式填空1f you(feel) tired, you(have) to have a rest.2. Where he(see) the film if he(have) time?3. If there(be) fewer trees, there( be) more polluti on.4. He(dress) more casually if he( not work) on weekends.5. If Marcia(live) alone, she( keep) a pet par

10、rot.6. Lana(buy) a new dress if the old one(be) out of style.7. The twins(fight) if they(argue).8. I(have) a bake sale if I(n eed) money for educatio n.9. Peter( send) me a beautiful souve nir if he(tour) Spain.10. If Mr Gree n (say) I am hard- work ing, my pare nts(feel)glad.11.1 (go) to the beach if it( not rain) this week.12. they( have) a match if the P.E. teacher(be) busy?13. He (write) a letter to his grandparents