I can bechance you can bechance he can bechance we can bechance you can bechance they can bechance
V-ing form
I can be bechancing you can be bechancing he can be bechancing we can be bechancing you can be bechancing they can be bechancing
Perfect
I can have bechanced you can have bechanced he can have bechanced we can have bechanced you can have bechanced they can have bechanced
V-ing perfect
I can have been bechancing you can have been bechancing he can have been bechancing we can have been bechancing you can have been bechancing they can have been bechancing
Negation
Simple form
I cannot bechance you cannot bechance he cannot bechance we cannot bechance you cannot bechance they cannot bechance
V-ing form
I cannot be bechancing you cannot be bechancing he cannot be bechancing we cannot be bechancing you cannot be bechancing they cannot be bechancing
Perfect
I cannot have bechanced you cannot have bechanced he cannot have bechanced we cannot have bechanced you cannot have bechanced they cannot have bechanced
V-ing perfect
I cannot have been bechancing you cannot have been bechancing he cannot have been bechancing we cannot have been bechancing you cannot have been bechancing they cannot have been bechancing
Interrogative form
Simple form
can I bechance? can you bechance? can he bechance? can we bechance? can you bechance? can they bechance?
V-ing form
can I be bechancing? can you be bechancing? can he be bechancing? can we be bechancing? can you be bechancing? can they be bechancing?
Perfect
can I have bechanced? can you have bechanced? can he have bechanced? can we have bechanced? can you have bechanced? can they have bechanced?
V-ing perfect
can I have been bechancing? can you have been bechancing? can he have been bechancing? can we have been bechancing? can you have been bechancing? can they have been bechancing?
Interro-negative form
Simple form
can I not bechance? can you not bechance? can he not bechance? can we not bechance? can you not bechance? can they not bechance?
V-ing form
can I not be bechancing? can you not be bechancing? can he not be bechancing? can we not be bechancing? can you not be bechancing? can they not be bechancing?
Perfect
can I not have bechanced? can you not have bechanced? can he not have bechanced? can we not have bechanced? can you not have bechanced? can they not have bechanced?
V-ing perfect
can I not have been bechancing? can you not have been bechancing? can he not have been bechancing? can we not have been bechancing? can you not have been bechancing? can they not have been bechancing?