1.一般现在时:主语+do/does(现在分词)
2.一般过去时:主语+did
3.现在进行时:主语+am/is/are doing
4.过去进行时:was/were doing
5.现在完成时:have/has done
6.过去完成时:had done
7.一般将来时:will do/
8.过去将来时:was/were to /would do
1.一般现在时:主语+do/does(现在分词)
2.一般过去时:主语+did
3.现在进行时:主语+am/is/are doing
4.过去进行时:was/were doing
5.现在完成时:have/has done
6.过去完成时:had done
7.一般将来时:will do/
8.过去将来时:was/were to /would do