can tricycle
Regular verb: tricycle - tricycled- tricycled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can tricycle
you can tricycle
he can tricycle
we can tricycle
you can tricycle
they can tricycle 	I can be tricycling
you can be tricycling
he can be tricycling
we can be tricycling
you can be tricycling
they can be tricycling	I can have tricycled
you can have tricycled
he can have tricycled
we can have tricycled
you can have tricycled
they can have tricycled	I can have been tricycling
you can have been tricycling
he can have been tricycling
we can have been tricycling
you can have been tricycling
they can have been tricycling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot tricycle
you cannot tricycle
he cannot tricycle
we cannot tricycle
you cannot tricycle
they cannot tricycle 	I cannot be tricycling
you cannot be tricycling
he cannot be tricycling
we cannot be tricycling
you cannot be tricycling
they cannot be tricycling	I cannot have tricycled
you cannot have tricycled
he cannot have tricycled
we cannot have tricycled
you cannot have tricycled
they cannot have tricycled	I cannot have been tricycling
you cannot have been tricycling
he cannot have been tricycling
we cannot have been tricycling
you cannot have been tricycling
they cannot have been tricycling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I tricycle?
can you tricycle?
can he tricycle?
can we tricycle?
can you tricycle?
can they tricycle? 	can I be tricycling?
can you be tricycling?
can he be tricycling?
can we be tricycling?
can you be tricycling?
can they be tricycling? 	can I have tricycled?
can you have tricycled?
can he have tricycled?
can we have tricycled?
can you have tricycled?
can they have tricycled? 	can I have been tricycling?
can you have been tricycling?
can he have been tricycling?
can we have been tricycling?
can you have been tricycling?
can they have been tricycling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not tricycle?
can you not tricycle?
can he not tricycle?
can we not tricycle?
can you not tricycle?
can they not tricycle? 	can I not be tricycling?
can you not be tricycling?
can he not be tricycling?
can we not be tricycling?
can you not be tricycling?
can they not be tricycling? 	can I not have tricycled?
can you not have tricycled?
can he not have tricycled?
can we not have tricycled?
can you not have tricycled?
can they not have tricycled? 	can I not have been tricycling?
can you not have been tricycling?
can he not have been tricycling?
can we not have been tricycling?
can you not have been tricycling?
can they not have been tricycling?