【正文】
es in spring every year? ? . ? do we plant trees in spring every year ? ? Where does he plant trees in spring every year? ? 2. Where did we plant a lot of trees in spring last year? ? 3. Where shall we plant some trees in spring next year? ? Where are we going to plant some trees next year? ? 4. Where are we are planting trees now? ? 5. Where were we planting trees at this time last year? ? 6. Where have we planted a number of trees recently? ? 7. Where had we planted a number of trees by the end of last year? ? were we going to plant some trees the next year? ? Where would we plant some trees the next year? ? 9. Where should we plant trees in spring every year? ? Where do we have to plant trees in spring every year? ? . 二 .什么時(shí)候用被動(dòng)語態(tài) ? * 強(qiáng)調(diào)動(dòng)作的承受者 ? * 不知道動(dòng)作的發(fā)出者 ? * 沒有必要說出動(dòng)作的發(fā)出者 ? He was punished by his father. ? He was told to have a short rest. ? This kind of change is called chemical change. 三. 時(shí)態(tài)主態(tài)與被動(dòng)語態(tài)的變化方法 ? They will plant some trees next week ? ? Some trees will be planted by them next week ? 方法; ? 1.把主動(dòng)語態(tài)的賓語提到語首. ? 2.