2021学年Grammar评课ppt课件

这是一份2021学年Grammar评课ppt课件，共18页。PPT课件主要包含了同义句转换 ，Exercises，Discussion等内容，欢迎下载使用。
(1) Gulliver did nt knw where he culd find ther peple. Gulliver did nt knw _______________ ther peple. (2)Gulliver wndered wh he culd ask fr help. Gulliver wndered _____________________ help. (3) Gulliver did nt knw hw he culd break the rpes. Gulliver did nt knw ______________the rpes. (4) Gulliver fund ut what he culd d with the tiny man. Gulliver fund ut ______________ with the tiny man. (5) Gulliver decided when he shuld leave Lilliput. Gulliver decided _______________shuld leave Lilliput.
where t find
wh t ask fr
hw t break
when t leave
1.我不知道如何解决这个问题.I _____________________________.2.汤姆不知道该和谁玩我忘了下一步该做什么.I frgt ___________________________.4.我们还没决定在哪儿见面.We haven’t ________________________.5.请告诉我何时开班会.Please tell me ____________________________.
when t begin the class meeting
desn’t knw wh t play with
what t d next
decided where t meet
dn’t knw what t d with this prblem
vi. 交；递，给上交，递交……等等n. 评论vt. 归还准时vt. 续借；更新；重新开始
handhand inand s nreviewreturnn timerenew
1. Have yu decided what t d with these bks, Hb? (P48) 2. I did nt knw what t say either. (P51)3. “I must run away frm them,” I thught, but I did nt knw hw t get away. (P51)
Lk at the fllwing sentences.
一、表义务，“必须”。 must 表主观的认识。二、在否定结构中表”不许,禁止”。
一。I must study hard. 我必须努力学习。(主观上认为应该努力学习)二。Yu mustn't leave here. 你不能离开这儿。
三、表推测，暗含有很大的可能性。否定的猜测是用can't。四、关于 must 的简短回答：
三。He must be ill. He lks s pale. 他肯定是病了。他的脸色那么苍白。 The baby can‘t be ill. He is s active. 那宝宝不大可能是病了。他那么活跃。 四。-Must I clean the dining rm at nce? 我必须马上打扫膳厅吗? -Yes, yu must. 是的。 -N, yu needn't. / N, yu dn't have t. 不必马上打扫。
二、在疑问句和否定句中，have t 多用助动词 d ,des,did构成，must 则直接提前或加nt。例如： 　　
Did he have t d it? = Must he d it? 他得做那件事吗? 而且在否定句中，have t 表不需要，must 表不允许： Yu dn‘t have t g there. 你不需要去那儿。 Yu mustn’t g there? 你不可去那儿。
have t 用法
　一、have t 表客观的需要和义务，must 表主观的认识。例如： 　
I missed the train, s I had t take a taxi. 我没搭上火车，所以我只得打的。(客观上需要打的)　　I must study hard. 我必须努力学习。(主观上认为应该努力学习)
Mdel verbs (Ⅱ)
must nt / mustn’t
dn’t have t
haven’t gt t / hasn’t gt t
D / Des sb. have t …?
Have / Has sb. t …?
Dn’t be late again. Yu ____ be here n time. A. may B. can C. must D. needn’tYu ___ d it even if yu dn’t want t. A. can’t B. mustn’t C. needn’t D. have t
3. —— Must I take a bus? —— N, yu ___. Yu can walk frm here. A. mustn’t B. dn’t C. dn ‘t have t D. had better nt t4. —— It is rather cld here. Shall we light a fire? —— N, we ___, because things here are easy t catch fire. A. wn’t B. can’t C. mustn’t D. needn’t
5.-----Lk, it_________ be Mr. Wang. -----N, it _________ be him. He has gne abrad. A. may; mustn’t B. must; may nt C. must; can’t D. can; may nt6.I was really wrried abut yu. Yu ________ hme withut a wrd. A. mustn’t leave B. shuldn’t have left C. culdn’t have left D. needn’t leave
7.----Must I d it nw? -----N, yu _______. A. needn’t B. dn’t have t C. mustn’t D. A and B
What rules must we bey when we’re in the library?
dn’t have t
Wrk in grups
Wrk ut sme class rules using must, must nt, have t and d nt have t.