English verb conjugation
CAN PARASAIL

Regular verb: parasail - parasailed - parasailed

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
I cannot parasail you cannot parasail he cannot parasail we cannot parasail you cannot parasail they cannot parasail	I cannot be parasailing you cannot be parasailing he cannot be parasailing we cannot be parasailing you cannot be parasailing they cannot be parasailing
Perfect	V-ing perfect
I cannot have parasailed you cannot have parasailed he cannot have parasailed we cannot have parasailed you cannot have parasailed they cannot have parasailed	I cannot have been parasailing you cannot have been parasailing he cannot have been parasailing we cannot have been parasailing you cannot have been parasailing they cannot have been parasailing

Interrogative form

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