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1、Do does 我来了,auxiliary 助动词,动词表示动作状态，但英语里有些动词不表示动作状态，而是协助主动词表示时态或者语态，这类动词叫做助动词（auxiliary verbs)如：基本助动词：have、do、be 等 半主动词：be about to 等 情态助动词：may、must、need 等,presentatoin,1Do you have a baseball?Yes,I do./No,I dont.Does he have a tennis ball?Yes,he does./No,he doesnt.I dont like bananas.Do they have a
2、basketball?He doesnt have a pen.,2作为行为动词，跟其他动词一样，如：study、play 等，他的意思是”做”等。如：We usually do our homework in the afternoon.,作为助动词一构成一般疑问句。Do you want to answer my question?二do+not构成否定句I don not want to be the last one.三构成否定的祈使句Hands up.Dont move!Dont go there.四用作代词 Do you like Wuqi?Yes,I do.(do用作代词，代替l
3、ike Wuqi)注：除第三种用法外，do和 does用法基本相同；do 用于第一人称、第二人称和第三人称复数的形式中Does用于主语第三人称单数的句中）,Exercise,1_he watch TV at night?Yes,he does.2_you go to school everyday?No,I dont.3_Jack and Peter like apples?4_Tina go swimming on Sunday?5_they play football?6_we have a good teacher?Yes,we_7 _your dog walk in the zoo?8_I have a big nose?No,you_(not)9_your cats eat fish?Yes,they _(not)10_their mothers go shopping?No,they_(not)11I_(not)speak Japanese,_you speak Japanese?,Homework,1Finish the task of unit 56 exercises2Using“do”and“does”to make up sentenses.,
