English verb conjugation
CAN TOSS

Regular verb: toss - tossed - tossed

Affirmation

Simple form	V-ing form
I can toss you can toss he can toss we can toss you can toss they can toss	I can be tossing you can be tossing he can be tossing we can be tossing you can be tossing they can be tossing
Perfect	V-ing perfect
I can have tossed you can have tossed he can have tossed we can have tossed you can have tossed they can have tossed	I can have been tossing you can have been tossing he can have been tossing we can have been tossing you can have been tossing they can have been tossing

Negation

Simple form	V-ing form
I cannot toss you cannot toss he cannot toss we cannot toss you cannot toss they cannot toss	I cannot be tossing you cannot be tossing he cannot be tossing we cannot be tossing you cannot be tossing they cannot be tossing
Perfect	V-ing perfect
I cannot have tossed you cannot have tossed he cannot have tossed we cannot have tossed you cannot have tossed they cannot have tossed	I cannot have been tossing you cannot have been tossing he cannot have been tossing we cannot have been tossing you cannot have been tossing they cannot have been tossing

Interrogative form

Simple form	V-ing form
can I toss? can you toss? can he toss? can we toss? can you toss? can they toss?	can I be tossing? can you be tossing? can he be tossing? can we be tossing? can you be tossing? can they be tossing?
Perfect	V-ing perfect
can I have tossed? can you have tossed? can he have tossed? can we have tossed? can you have tossed? can they have tossed?	can I have been tossing? can you have been tossing? can he have been tossing? can we have been tossing? can you have been tossing? can they have been tossing?

Interro-negative form

Simple form	V-ing form
can I not toss? can you not toss? can he not toss? can we not toss? can you not toss? can they not toss?	can I not be tossing? can you not be tossing? can he not be tossing? can we not be tossing? can you not be tossing? can they not be tossing?
Perfect	V-ing perfect
can I not have tossed? can you not have tossed? can he not have tossed? can we not have tossed? can you not have tossed? can they not have tossed?	can I not have been tossing? can you not have been tossing? can he not have been tossing? can we not have been tossing? can you not have been tossing? can they not have been tossing?