Unit 1Can you play the guitar?Period Period the use of “can”1. can表示能力，意思是表示能力，意思是“能；会能；会”, 后须接动词原形。后须接动词原形。IWeYouSheHeItThey can play the guitar.IWeYouSheHeItTheycant play the guitar.2. 变否定句时，在后面加变否定句时，在后面加not。 the use of “can”CanIweyousheheittheyplay the guitar?3. 变疑问句时，要变疑问句时，要can移到句首。移到句首。the use of “can”Yes, Iweyoushe can.heittheyNo, cant.Iweyousheheittheythe use of “can”4、做肯定和否定回答。、做肯定和否定回答。Yes,I can. Can you play ping-pong?No, I cant(cant = can not = cannot)I can play ping-pong.Can you play volleyball?Yes,I can.No, I cantAsk and answer in pairs.A:Can you play ?B:Yes,I can. Can you?A:No, I cantExercise1. I can play chess.(变为一般疑问句变为一般疑问句)2. you _ chess?3.2. She can play the guitar.(变为一般疑问句变为一般疑问句)4. she the guitar?5.3. They can play the basketball.(变为否定句变为否定句)6. They basketball. 7.4. He can dance.(变为否定句变为否定句)8. He dance.9.5.We can speak English.(对划线部分提问对划线部分提问)10. you ?11.6. Jim can run fast . (对划线部分提问对划线部分提问)12. Jim _?Can play Can playcant cant playWhatcandoWhatcando