English verb conjugation
CAN UNRIDDLE

Regular verb: unriddle - unriddled - unriddled

Affirmation

Simple form	V-ing form
I can unriddle you can unriddle he can unriddle we can unriddle you can unriddle they can unriddle	I can be unriddling you can be unriddling he can be unriddling we can be unriddling you can be unriddling they can be unriddling
Perfect	V-ing perfect
I can have unriddled you can have unriddled he can have unriddled we can have unriddled you can have unriddled they can have unriddled	I can have been unriddling you can have been unriddling he can have been unriddling we can have been unriddling you can have been unriddling they can have been unriddling

Negation

Simple form	V-ing form
I cannot unriddle you cannot unriddle he cannot unriddle we cannot unriddle you cannot unriddle they cannot unriddle	I cannot be unriddling you cannot be unriddling he cannot be unriddling we cannot be unriddling you cannot be unriddling they cannot be unriddling
Perfect	V-ing perfect
I cannot have unriddled you cannot have unriddled he cannot have unriddled we cannot have unriddled you cannot have unriddled they cannot have unriddled	I cannot have been unriddling you cannot have been unriddling he cannot have been unriddling we cannot have been unriddling you cannot have been unriddling they cannot have been unriddling

Interrogative form

Simple form	V-ing form
can I unriddle? can you unriddle? can he unriddle? can we unriddle? can you unriddle? can they unriddle?	can I be unriddling? can you be unriddling? can he be unriddling? can we be unriddling? can you be unriddling? can they be unriddling?
Perfect	V-ing perfect
can I have unriddled? can you have unriddled? can he have unriddled? can we have unriddled? can you have unriddled? can they have unriddled?	can I have been unriddling? can you have been unriddling? can he have been unriddling? can we have been unriddling? can you have been unriddling? can they have been unriddling?

Interro-negative form

Simple form	V-ing form
can I not unriddle? can you not unriddle? can he not unriddle? can we not unriddle? can you not unriddle? can they not unriddle?	can I not be unriddling? can you not be unriddling? can he not be unriddling? can we not be unriddling? can you not be unriddling? can they not be unriddling?
Perfect	V-ing perfect
can I not have unriddled? can you not have unriddled? can he not have unriddled? can we not have unriddled? can you not have unriddled? can they not have unriddled?	can I not have been unriddling? can you not have been unriddling? can he not have been unriddling? can we not have been unriddling? can you not have been unriddling? can they not have been unriddling?