【文档说明】清华版英语四年级下册《Unit 3 When I grow up Lesson 20》PPT课件2 (共21页).ppt，共(21)页，4.345 MB，由小喜鸽上传

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飞行员pilot飞机plane宇航员astronaut月球moon高的highjump跳跃Whatdoyouwanttobewhenyou(长大)?Iwanttobea(飞行员).growuppilotplaneIwanttoflya(飞机).Wha

tdoyou(想要)bewhenyougrowup?Iwanttobean(宇航员).Iwanttotraveltothe(月球).wanttoastronautmoonIwanttobeateacherwhenIgrowup.Iwanttobeapolicema

nwhenIgrowup.IwanttobeadoctorwhenIgrowup.IwanttobeabusinessmanwhenIgrowup.1．wantsth.想要某物2．wanttodosth.想要做某事3．

wantsb.todosth.想要某人做某事want的用法1．wantsth.中的sth.一般是名词，如apple,pencil,book,money等。Iwantsomewater.我想要点水。2．wanttodosth.其中的do是动词原形，表达主语想

要做的动作。我想要喝点水。Iwanttodrinksomewater.3．wantsb.todo.sth.其中的sb.是want的宾语，是主语想要这个宾语做某事。我想让我妈妈喝点水。Iwantmymothertodrinksomewater.