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 can't unriddle you can't unriddle he can't unriddle we can't unriddle you can't unriddle they can't unriddle	I can't be unriddling you can't be unriddling he can't be unriddling we can't be unriddling you can't be unriddling they can't be unriddling
Perfect	V-ing perfect
I can't have unriddled you can't have unriddled he can't have unriddled we can't have unriddled you can't have unriddled they can't have unriddled	I can't have been unriddling you can't have been unriddling he can't have been unriddling we can't have been unriddling you can't have been unriddling they can't 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't I unriddle? can't you unriddle? can't he unriddle? can't we unriddle? can't you unriddle? can't they unriddle?	can't I be unriddling? can't you be unriddling? can't he be unriddling? can't we be unriddling? can't you be unriddling? can't they be unriddling?
Perfect	V-ing perfect
can't I have unriddled? can't you have unriddled? can't he have unriddled? can't we have unriddled? can't you have unriddled? can't they have unriddled?	can't I have been unriddling? can't you have been unriddling? can't he have been unriddling? can't we have been unriddling? can't you have been unriddling? can't they have been unriddling?