These trees were thick last year.(一般疑问句＼肯定＼否定回答)

These trees were thick last year.(一般疑问句＼肯定＼否定回答) They were teachers last year.改为一般疑问句和否定句并作肯定回答和否定回答 1、joy was in grade one last year.(改否定句、一般疑问句、肯定回答、否定回答、特殊疑问句 These trees were planted last year.变成否定句They weren't planted They watched trees last year一般疑问句 I did my homework last night.改为否定句,一般疑问句,肯定回答,否定回答, Jim did his homework last weekend改为一般疑问句 肯定回答 否定回答 否定句 These are his pens.改为否定句,一般疑问句并作出肯定和否定回答 These are nice pictures.变为一般疑问句,并作简要的肯定回答和否定回答 There were three students in the chassroom.否定句：一般疑问句：肯定,否定回答 there were some fruit trees（改为一般疑问句并进行肯、否定回答） Last week I read an English book 改否定句,一般疑问句和肯定否定回答