英语的十二种时态

1. 一般现在时 He cleans the blackboard. The blackboard is cleaned by him. 2．一般过去时 He cleaned the blackboard. The blackboard was cleaned by him. 3．一般将来时He will(或is going to) clean the blackboard. The blackboard will(或is going to) be cleaned by him. 4．现在进行时He is cleaning the blackboard. The blackboard is being cleaned by him. 5．过去进行时He was cleaning the blackboard. The blackboard was being cleaned by him. 6．将来进行时He will be cleaning the blackboard. The blackboard will be being cleaned by him. 7．现在完成时He has cleaned the blackboard. The blackboard has been cleaned by him. 8．过去完成时He had cleaned the blackboard. The blackboard had been cleaned by him. 我才初二，只会8种时态，不好意思

1. 一般现在时 He cleans the blackboard. The blackboard is cleaned by him.2．一般过去时 He cleaned the blackboard. The blackboard was cleaned by him.3．一般将来时 He will clean the blackboard. The blackboard will be cleaned by him.4．现在进行时 He is cleaning the blackboard. The blackboard is being cleaned by him.5．过去进行时 He was cleaning the blackboard. The blackboard was being cleaned by him.6．将来进行时 He will be cleaning the blackboard. The blackboard will be being cleaned by him.7．现在完成时 He has cleaned the blackboard. The blackboard has been cleaned by him.8．过去完成时 He had cleaned the blackboard. The blackboard had been cleaned by him.9．将来完成时 He will have cleaned the blackboard. The blackboard will have been cleaned by him.10．现在完成进行时 He has been cleaning the blackboard. The blackboard has cleaned by him.(完成进行时没有被动语态，该意思用相应的完成时语态或进行时语态表示。可参看薄冰语法）（The blackboard is being cleaned by him.)11．过去完成进行时 He had been cleaning the blackboard. The blackboard had cleaned by him.（The blackboard was being cleaned by him.）12．将来完成进行时He will have been cleaning the blackboard. The blackboard will have been cleaned by him.（The blackboard will be being cleaned by him.）

1.一般现在时Hecleanstheblackboard.Theblackboardiscleanedbyhim.2．一般过去时Hecleanedtheblackboard.Theblackboardwascleanedbyhim.3．一般将来时Hewill(或isgoingto)cleantheblackboard.Theblackboardwill(或isgoingto)becleanedbyhim.4．现在进行时Heiscleaningtheblackboard.Theblackboardisbeingcleanedbyhim.5．过去进行时Hewascleaningtheblackboard.Theblackboardwasbeingcleanedbyhim.6．将来进行时Hewillbecleaningtheblackboard.Theblackboardwillbebeingcleanedbyhim.7．现在完成时Hehascleanedtheblackboard.Theblackboardhasbeencleanedbyhim.8．过去完成时Hehadcleanedtheblackboard.Theblackboardhadbeencleanedbyhim.我才初二，只会8种时态，不好意思

一般现在时的定义:表示现在经常反复发生的动作、存在的状态或习惯性的动作的时态。构成：一般现在时用行为动词的原形，但第三人称单数作主语时，动词的词尾要加-s。比如：他每天早晨7点起床。hegetsupat7o'clockeverymorning.现在进行时的定义：表示现在或当前一段时间正在进行的动作。构成：现在进行时的构成是:主语+be+v.ing〔现在分词〕形式比如：我正在看电视。iamwatchingtv.英语里没有现在将来时，只有一般将来时。表示将来某一时刻的动作或状态，或将来某一段时间内经常的动作或状态。常用构成：（1）begoingto+动词原形（2）will/shall+动词原形比如：我明天要去踢足球。iamgoingtoplayfootballtomorrow.或者iwillplayfootballtomorrow.