Regular verb: rub - rubbed - rubbed
Simple form | V-ing form |
I can rub you can rub he can rub we can rub you can rub they can rub | I can be rubbing you can be rubbing he can be rubbing we can be rubbing you can be rubbing they can be rubbing |
Perfect | V-ing perfect |
I can have rubbed you can have rubbed he can have rubbed we can have rubbed you can have rubbed they can have rubbed | I can have been rubbing you can have been rubbing he can have been rubbing we can have been rubbing you can have been rubbing they can have been rubbing |
Simple form | V-ing form |
I cannot rub you cannot rub he cannot rub we cannot rub you cannot rub they cannot rub | I cannot be rubbing you cannot be rubbing he cannot be rubbing we cannot be rubbing you cannot be rubbing they cannot be rubbing |
Perfect | V-ing perfect |
I cannot have rubbed you cannot have rubbed he cannot have rubbed we cannot have rubbed you cannot have rubbed they cannot have rubbed | I cannot have been rubbing you cannot have been rubbing he cannot have been rubbing we cannot have been rubbing you cannot have been rubbing they cannot have been rubbing |
Simple form | V-ing form |
can I rub? can you rub? can he rub? can we rub? can you rub? can they rub? | can I be rubbing? can you be rubbing? can he be rubbing? can we be rubbing? can you be rubbing? can they be rubbing? |
Perfect | V-ing perfect |
can I have rubbed? can you have rubbed? can he have rubbed? can we have rubbed? can you have rubbed? can they have rubbed? | can I have been rubbing? can you have been rubbing? can he have been rubbing? can we have been rubbing? can you have been rubbing? can they have been rubbing? |
Simple form | V-ing form |
can I not rub? can you not rub? can he not rub? can we not rub? can you not rub? can they not rub? | can I not be rubbing? can you not be rubbing? can he not be rubbing? can we not be rubbing? can you not be rubbing? can they not be rubbing? |
Perfect | V-ing perfect |
can I not have rubbed? can you not have rubbed? can he not have rubbed? can we not have rubbed? can you not have rubbed? can they not have rubbed? | can I not have been rubbing? can you not have been rubbing? can he not have been rubbing? can we not have been rubbing? can you not have been rubbing? can they not have been rubbing? |