they studied english last year改为一般现在时

句型转换.Mike studied a lot last year.(用in the last few years改为句 They have studied english for six years改为否定.they english for If I had studied English last year,I____ able to speak it no she has studied english for They year 把这个句子用变成否定句 who studied -------- of the two last year? they were good at speaking English last year she studed English last year改为疑问句和否定句 they planted trees last year (改为一般疑问句） They worked in a hospital last year.(改为否定句) he studied English well 改为同义句 对划线部分提问Ann studied for an English test last night.（改为一般疑问句）_ "—have they studied English "They have studied English for t