English verb conjugation
CAN SAW

Irregular verb: saw - sawed - sawed, sawn

Affirmation

Simple form	V-ing form
I can saw you can saw he can saw we can saw you can saw they can saw	I can be sawing you can be sawing he can be sawing we can be sawing you can be sawing they can be sawing
Perfect	V-ing perfect
I can have sawed, sawn you can have sawed, sawn he can have sawed, sawn we can have sawed, sawn you can have sawed, sawn they can have sawed, sawn	I can have been sawing you can have been sawing he can have been sawing we can have been sawing you can have been sawing they can have been sawing

Negation

Simple form	V-ing form
I cannot saw you cannot saw he cannot saw we cannot saw you cannot saw they cannot saw	I cannot be sawing you cannot be sawing he cannot be sawing we cannot be sawing you cannot be sawing they cannot be sawing
Perfect	V-ing perfect
I cannot have sawed, sawn you cannot have sawed, sawn he cannot have sawed, sawn we cannot have sawed, sawn you cannot have sawed, sawn they cannot have sawed, sawn	I cannot have been sawing you cannot have been sawing he cannot have been sawing we cannot have been sawing you cannot have been sawing they cannot have been sawing

Interrogative form

Simple form	V-ing form
can I saw? can you saw? can he saw? can we saw? can you saw? can they saw?	can I be sawing? can you be sawing? can he be sawing? can we be sawing? can you be sawing? can they be sawing?
Perfect	V-ing perfect
can I have sawed, sawn? can you have sawed, sawn? can he have sawed, sawn? can we have sawed, sawn? can you have sawed, sawn? can they have sawed, sawn?	can I have been sawing? can you have been sawing? can he have been sawing? can we have been sawing? can you have been sawing? can they have been sawing?

Interro-negative form

Simple form	V-ing form
can I not saw? can you not saw? can he not saw? can we not saw? can you not saw? can they not saw?	can I not be sawing? can you not be sawing? can he not be sawing? can we not be sawing? can you not be sawing? can they not be sawing?
Perfect	V-ing perfect
can I not have sawed, sawn? can you not have sawed, sawn? can he not have sawed, sawn? can we not have sawed, sawn? can you not have sawed, sawn? can they not have sawed, sawn?	can I not have been sawing? can you not have been sawing? can he not have been sawing? can we not have been sawing? can you not have been sawing? can they not have been sawing?