【正文】
一.常用八種時態(tài)主 ,被動語態(tài) 肯定句,否定句,疑問句 構(gòu)成一覽表 常用八種時態(tài)主 ,被動語態(tài)的構(gòu)成 (以 write為例) 時 態(tài) 主動語態(tài) 肯定句 被動語態(tài) 肯定句 write/writes is/am/are written wrote was/were written shall/will write be going to write shall/will be written be going to be written is/am/are writing is/am/are being written was/were writing was/were being written have/has written have/has been written had written had been written Would/be going to write Would/be going to be written may/ can …write may/can…be written ? plant trees in spring every year . ? He plants trees in spring every year ? planted a lot of trees in spring last year. ? shall plant some trees in spring next year. We are going to plant some trees next year ? are planting trees now. ? were planting trees at this time last year. ? have planted a number of trees recently. ? had planted a number of trees by the end of last year. ? would/were going to plant some trees the next year.. ? have to/should plant trees in spring every year. ? . 常用八種時態(tài)主 ,被動語態(tài)的構(gòu)成 (以 write為例) 時