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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) 疑問句 被動語態(tài)疑問句 Do/Does…write? Is/Am/Are … written? Did ….write? Was/Were… written? Shall/Will… write? Is//Are going to write? Shall/Will… be written? Is/Are.. 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/Is/Am/Are…. going to write? Would/Is/Am/Are… going to be written? May/ Can …write? May/Can…be written? ? they plant trees in spring every year ? ? 2. Did they plant a lot of trees in spring last year? ? 3. Shall they plant some trees in spring next year? ? Are they going to plant some trees next year ? ? 4. Are they planting trees now? ? 5. Were they planting trees at this time last year? ? 6 Have they planted a number of trees recently? ? 7. Had they planted a number of trees by the end of last year? ? 8. Would/Were they going to plant some trees the next year? ? they have to plant trees in spring every year? ? Should they plant tre