I can blat you can blat he can blat we can blat you can blat they can blat
V-ing form
I can be blating you can be blating he can be blating we can be blating you can be blating they can be blating
Perfect
I can have blated you can have blated he can have blated we can have blated you can have blated they can have blated
V-ing perfect
I can have been blating you can have been blating he can have been blating we can have been blating you can have been blating they can have been blating
Negation
Simple form
I cannot blat you cannot blat he cannot blat we cannot blat you cannot blat they cannot blat
V-ing form
I cannot be blating you cannot be blating he cannot be blating we cannot be blating you cannot be blating they cannot be blating
Perfect
I cannot have blated you cannot have blated he cannot have blated we cannot have blated you cannot have blated they cannot have blated
V-ing perfect
I cannot have been blating you cannot have been blating he cannot have been blating we cannot have been blating you cannot have been blating they cannot have been blating
Interrogative form
Simple form
can I blat? can you blat? can he blat? can we blat? can you blat? can they blat?
V-ing form
can I be blating? can you be blating? can he be blating? can we be blating? can you be blating? can they be blating?
Perfect
can I have blated? can you have blated? can he have blated? can we have blated? can you have blated? can they have blated?
V-ing perfect
can I have been blating? can you have been blating? can he have been blating? can we have been blating? can you have been blating? can they have been blating?
Interro-negative form
Simple form
can I not blat? can you not blat? can he not blat? can we not blat? can you not blat? can they not blat?
V-ing form
can I not be blating? can you not be blating? can he not be blating? can we not be blating? can you not be blating? can they not be blating?
Perfect
can I not have blated? can you not have blated? can he not have blated? can we not have blated? can you not have blated? can they not have blated?
V-ing perfect
can I not have been blating? can you not have been blating? can he not have been blating? can we not have been blating? can you not have been blating? can they not have been blating?