《Can-you-come-to-my-party》教材课件最新完整版.pptx

Unit 9 Can you come to my party?;A: Can you swim? B: Yes, I can. /No, I can’t. ;Language Goals: Make invitations Decline invitations accept invitations Talk about obligations ;a birthday party;Work in pairs;A: Can you come to my birthday party? B: Sorry, I can’t. I have to …;Work in pairs;;;2.情态动词“have to”与其他的情态动词如：“can” , “may” “must”和 “should” 不同。 （1）这4个情态动词没有人称和数的变化,而have to有。它的第三人称单数为“has to” ,过去时为had to, 如： ; He should study hard . 他应该好好学习。 He has to study hard . 他不得不好好学习。; 我们以can为例: Can he go with us ? 他能和我们一起去吗？ He can’t go with us . 他不能和我们一起去。 而“have to”要加助动词do , has to要加助动词does ,还原 have to had to要加助动词did,还原 have to 才可能完成其疑问、否定句。 ; 试将下面三种话分别写成 （1）一般疑问句，并做肯定回答。 （2）否定句。 1: They have to go to the party . Do they have to go to the party ? Yes , they do . They don’t have to go to the party.; 2：He has to go to see the doctor . Does he have to go to see the doctor? Yes , he does . He doesn’t have to go to see the doctor .; 3： She had to have a piano lesson yesterday. Did she have to have a piano lesson yesterday? Yes, she did . She didn’t have to have a piano lesson yesterday.; ;3. I have to help my parents . 我不得不帮助我的父母。 help sb. with sth .或help sb (to) do sth . 上一句我们可以说： I have to help my parents with the housework . 或说I have to help my parents (to) do the housework .;;Can you;Can you ;Can you;Today we have learnt how to say “yes” or “no” to someone’s invitation and give a reason.;A:Can you come to my party? B:I’m sorry. I have to help my mom. ;A: Can you come to my party? ;1a. Match the words with the pictures.;Match the words with the pictures[a-e];1. Prepare for an exam _______ 2. help my parents __