主将从现
If you touch the ball, your will fly hair _________(fly).
主将从现
If you visit the Science Museum in London, will have (have) fun there. you __________
/pɒɪnt/ (试图表达的）观点；看法 point consider /kən'sɪdə/ 考虑；斟酌 v. 最终决定；最后一句话 last word
guitar吉他 n.
I write songs, and I play the guitar, too. 我写歌，也弹吉他 。 拓展：弹各种乐器，一般为 play the + 乐器
I’ll play basketball ________________.
主将从现
If I have time, I will ...
if 从句的主语单三的时候， 其动词形式要用单三形式。
主将从现
If he/she has time, he/she will ...
play the violin
Say what their problems are.
Nearsighted
(近视的)
Do you have problems?
If I have problems, I will…
/di:l/ /ɪg'zæm/
协议 n.
deal
make a deal with sb.
exam fail a exam 考试 n. /feɪl/ 未能及格；未能达到 v. fail 吉他 n. guitar play the guitar /gɪ'ta:/
go swimming
watch a movie
If Tony ______(go) to goes London, he will _______(visit) visit the Science Museum.
visits If he _______(visit) the Science Museum, he _________(do) some will do experiment.
用所给词的适当形式填空
If you tell him the truth, you’ll prove how honest you are. 1.If she ___(work) until night, She will be tired. 2.If he ____(offer) to pay, he will show that he is sorry. 3.We___ (do) well in English if we practise speaking English every day. 4.My parents ____( be angry) if I get bad marks. 5.If it ____(not rain) next Sunday, he ____(go) fishing. 6.They____(plant) trees, if it_____(be sunny) tomorrow. 总结：if从句的位置 可以放在主句之前，也可以放在其后 if从句的时态 一般现在时 主句的时态 一般将来时
If I ______(go) to go visit Paris , I will _______(visit) the Louvre Museum.
If it __________(not doesn't rain rain) tomorrow, we _________ will visit (visit) the Palace Museum in Beijing.
Then I will be much sadder. So, I shouldn’t eat a lot.
if条件状语从句(2)
句子特点： if 条件状语从句表示某种假设的情况，主句表 示此种情况所导致的结果。所以主句和从句的 谓语动词遵循“主将从现”的原则。 句型结构： 主句 + if条件状语从句 if条件状语从句，+主句（从句后加逗号） 3.时态：if一般现在时，+主句一般将来时或 （can/ may /must +v.)
Look and say If I’m ill, I will see a doctor __________________.
主将从现
If I’m late, I will say sorry _________________.
If I visit the Guangxi Science and Technology will do Museum, I _______(do) some experiment.
play the piano 弹钢琴
play the violin 拉小提琴
exam 考试 n.
He passed the exam with ease. 他轻而易举地通过了考试。 She got full marks in the exam. 她考试得了满分。 注意：考试及格用 pass an exam。 考试不及格用 fail an exam。 参加考试用 take an exam， 英国英语用 sit an exam。
观察下面的三个句子： If you have any question, ask Ms Liang. If you need any help, call me, please. If you get there, give me a ring. If you do not feel well, please go to see a doctor. If 条件状语从句 + 祈使句。 表示建议。 再观察下面的三个句子： If you work hard, you will get good marks. If you visit the museum, you will have great fun. If it rains tomorrow, we won't have a picnic. If 条件状语从句 + 主句。 （主将从现） 再观察下面的两个句子： If you visit the museum, you must obey the rules. If she arrives in time, she may come with us. If 条件状语从句 + 主句(主句含有情态动词)。
4. If I _________ don’t eat (not,eat ) so much ,I _________ will get (get) thinner. tell 5. If you ______(tell) them the truth, they will forgive(forgive) you. _________ 5. If he ______(tell) tells me a lie, I ____________(not won't belive belive) him again.
6 I _________(stay) will stay at home, if it ________( rains rain). 7.If it ____________(not,rain) doesn’t rain ,I _________( will go go) out.
sunny 8. we __________(play) will play football, if it is ______(sun) . becomes 9.If she __________(become) a star , her parents ___________ won’t send (not,send) her away 10.He will _________(watch) watch TV ,if he ______(be) is free.
fail v.未能及格；未能达到 She failed in the exam. 她这次考试不及格。 ①（考试)不及格，fail可用作及物或不及物动词 （以及物动词为多见） 可以省略。 He failed (in) his driving-test.他驾驶考试不及格 . ②作为及物动词，使某人不及格 The teacher failed half the class. 老师让班里一半的学生未能及格。 ③ fail to do sth. 没能做某事、做某事失败 He failed to pass the exam. 他考试没有及格。
1. If he_________ doesn’t do (not do it ), I_________(do) will do it. 2. If you ____ are (be) late for school , your teacher ________(be) angry. will be wins (win) the prize ,we _______(be) 3. If she______ will be happy.
If my teacher ____(be) is angry with me, I __________(be) sad. will be
get fatter If I eat a lot, I will ________.
will have (have) health If I get fatter, I_________ problems.
e.g.
1.If you don’t get up early, you will be late for school .你如果不早点起床，上学就会迟到。
2. If I play games on it , it will go wrong .