He bought a new car是什么时态

He bought a new car是什么时态 He uncle bought him a new toy car.[同义] he bought a new car .改疑问句did he bought a new car?还是 did he buy a new car?新概念第一册学完了.在第二册开头有个test.标准答案里是did he bought a new car?.问题是上面哪个对,Did后面难道不是动词原形吗? I can tell （ ）experience that something is wrong with the machinehe didn't buy a new car 和he didn't bought a new car 那句对 /最好是解释下原因, The man is rich and he bought a new car of ( ) A.him B.own C.his own D.himself he took 200,000yuan for the house and bought a new car with the money.这里的took 划分句子成分：1.You mother likes so young..2.I bought a new car yesterday.3.Slowly,he got angry. 关于新概念英语第二册pre test 1里面的一些不明知识点Do you want_____butter?(这里是填any还是some呢?为什么?)Are there_____eggs in that basket?(问题同上)He bought a new car.(改成否定形式是He didn't bought a new car He wanted to bought a new book. 为什么是Who bought a new car?而不是Who did buy a new car? 为什么是Who bought a new car?而不是Who did buy a new car? Tom has bought a new car just now.改错. He bought a toy car for us.（划线提问,画的是us）______ ______ ______he _____the car. He want to buy a new car He decides ________(buy)a new car ( )your father ( )a new car No ,he( ) He hasn't bought a car for 3 years,为什么用bought这里注明：用bought是正确的.为什么是正确的? He bought a black car对black画线提问