can parasail
Regular verb: parasail - parasailed- parasailed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can parasail
you can parasail
he can parasail
we can parasail
you can parasail
they can parasail 	I can be parasailing
you can be parasailing
he can be parasailing
we can be parasailing
you can be parasailing
they can be parasailing	I can have parasailed
you can have parasailed
he can have parasailed
we can have parasailed
you can have parasailed
they can have parasailed	I can have been parasailing
you can have been parasailing
he can have been parasailing
we can have been parasailing
you can have been parasailing
they can have been parasailing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't parasail
you can't parasail
he can't parasail
we can't parasail
you can't parasail
they can't parasail 	I can't be parasailing
you can't be parasailing
he can't be parasailing
we can't be parasailing
you can't be parasailing
they can't be parasailing	I can't have parasailed
you can't have parasailed
he can't have parasailed
we can't have parasailed
you can't have parasailed
they can't have parasailed	I can't have been parasailing
you can't have been parasailing
he can't have been parasailing
we can't have been parasailing
you can't have been parasailing
they can't have been parasailing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I parasail?
can you parasail?
can he parasail?
can we parasail?
can you parasail?
can they parasail? 	can I be parasailing?
can you be parasailing?
can he be parasailing?
can we be parasailing?
can you be parasailing?
can they be parasailing? 	can I have parasailed?
can you have parasailed?
can he have parasailed?
can we have parasailed?
can you have parasailed?
can they have parasailed? 	can I have been parasailing?
can you have been parasailing?
can he have been parasailing?
can we have been parasailing?
can you have been parasailing?
can they have been parasailing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I parasail?
can't you parasail?
can't he parasail?
can't we parasail?
can't you parasail?
can't they parasail? 	can't I be parasailing?
can't you be parasailing?
can't he be parasailing?
can't we be parasailing?
can't you be parasailing?
can't they be parasailing? 	can't I have parasailed?
can't you have parasailed?
can't he have parasailed?
can't we have parasailed?
can't you have parasailed?
can't they have parasailed? 	can't I have been parasailing?
can't you have been parasailing?
can't he have been parasailing?
can't we have been parasailing?
can't you have been parasailing?
can't they have been parasailing?