English verb conjugation
CAN BIKE

Regular verb: bike - biked - biked

Affirmation

Simple form	V-ing form
I can bike you can bike he can bike we can bike you can bike they can bike	I can be biking you can be biking he can be biking we can be biking you can be biking they can be biking
Perfect	V-ing perfect
I can have biked you can have biked he can have biked we can have biked you can have biked they can have biked	I can have been biking you can have been biking he can have been biking we can have been biking you can have been biking they can have been biking

Negation

Simple form	V-ing form
I can't bike you can't bike he can't bike we can't bike you can't bike they can't bike	I can't be biking you can't be biking he can't be biking we can't be biking you can't be biking they can't be biking
Perfect	V-ing perfect
I can't have biked you can't have biked he can't have biked we can't have biked you can't have biked they can't have biked	I can't have been biking you can't have been biking he can't have been biking we can't have been biking you can't have been biking they can't have been biking

Interrogative form

Simple form	V-ing form
can I bike? can you bike? can he bike? can we bike? can you bike? can they bike?	can I be biking? can you be biking? can he be biking? can we be biking? can you be biking? can they be biking?
Perfect	V-ing perfect
can I have biked? can you have biked? can he have biked? can we have biked? can you have biked? can they have biked?	can I have been biking? can you have been biking? can he have been biking? can we have been biking? can you have been biking? can they have been biking?

Interro-negative form

Simple form	V-ing form
can't I bike? can't you bike? can't he bike? can't we bike? can't you bike? can't they bike?	can't I be biking? can't you be biking? can't he be biking? can't we be biking? can't you be biking? can't they be biking?
Perfect	V-ing perfect
can't I have biked? can't you have biked? can't he have biked? can't we have biked? can't you have biked? can't they have biked?	can't I have been biking? can't you have been biking? can't he have been biking? can't we have been biking? can't you have been biking? can't they have been biking?