Regular verb: study - studied - studied
Simple form | V-ing form |
I can study you can study he can study we can study you can study they can study | I can be studying you can be studying he can be studying we can be studying you can be studying they can be studying |
Perfect | V-ing perfect |
I can have studied you can have studied he can have studied we can have studied you can have studied they can have studied | I can have been studying you can have been studying he can have been studying we can have been studying you can have been studying they can have been studying |
Simple form | V-ing form |
I can't study you can't study he can't study we can't study you can't study they can't study | I can't be studying you can't be studying he can't be studying we can't be studying you can't be studying they can't be studying |
Perfect | V-ing perfect |
I can't have studied you can't have studied he can't have studied we can't have studied you can't have studied they can't have studied | I can't have been studying you can't have been studying he can't have been studying we can't have been studying you can't have been studying they can't have been studying |
Simple form | V-ing form |
can I study? can you study? can he study? can we study? can you study? can they study? | can I be studying? can you be studying? can he be studying? can we be studying? can you be studying? can they be studying? |
Perfect | V-ing perfect |
can I have studied? can you have studied? can he have studied? can we have studied? can you have studied? can they have studied? | can I have been studying? can you have been studying? can he have been studying? can we have been studying? can you have been studying? can they have been studying? |
Simple form | V-ing form |
can't I study? can't you study? can't he study? can't we study? can't you study? can't they study? | can't I be studying? can't you be studying? can't he be studying? can't we be studying? can't you be studying? can't they be studying? |
Perfect | V-ing perfect |
can't I have studied? can't you have studied? can't he have studied? can't we have studied? can't you have studied? can't they have studied? | can't I have been studying? can't you have been studying? can't he have been studying? can't we have been studying? can't you have been studying? can't they have been studying? |