English verb conjugation
CAN JAPAN

Regular verb: japan - japaned - japaned

Affirmation

Simple form	V-ing form
I can japan you can japan he can japan we can japan you can japan they can japan	I can be japaning you can be japaning he can be japaning we can be japaning you can be japaning they can be japaning
Perfect	V-ing perfect
I can have japaned you can have japaned he can have japaned we can have japaned you can have japaned they can have japaned	I can have been japaning you can have been japaning he can have been japaning we can have been japaning you can have been japaning they can have been japaning

Negation

Simple form	V-ing form
I cannot japan you cannot japan he cannot japan we cannot japan you cannot japan they cannot japan	I cannot be japaning you cannot be japaning he cannot be japaning we cannot be japaning you cannot be japaning they cannot be japaning
Perfect	V-ing perfect
I cannot have japaned you cannot have japaned he cannot have japaned we cannot have japaned you cannot have japaned they cannot have japaned	I cannot have been japaning you cannot have been japaning he cannot have been japaning we cannot have been japaning you cannot have been japaning they cannot have been japaning

Interrogative form

Simple form	V-ing form
can I japan? can you japan? can he japan? can we japan? can you japan? can they japan?	can I be japaning? can you be japaning? can he be japaning? can we be japaning? can you be japaning? can they be japaning?
Perfect	V-ing perfect
can I have japaned? can you have japaned? can he have japaned? can we have japaned? can you have japaned? can they have japaned?	can I have been japaning? can you have been japaning? can he have been japaning? can we have been japaning? can you have been japaning? can they have been japaning?

Interro-negative form

Simple form	V-ing form
can I not japan? can you not japan? can he not japan? can we not japan? can you not japan? can they not japan?	can I not be japaning? can you not be japaning? can he not be japaning? can we not be japaning? can you not be japaning? can they not be japaning?
Perfect	V-ing perfect
can I not have japaned? can you not have japaned? can he not have japaned? can we not have japaned? can you not have japaned? can they not have japaned?	can I not have been japaning? can you not have been japaning? can he not have been japaning? can we not have been japaning? can you not have been japaning? can they not have been japaning?