I can swerve you can swerve she can swerve we can swerve you can swerve they can swerve
V-ing form
I can be swerving you can be swerving she can be swerving we can be swerving you can be swerving they can be swerving
Perfect
I can have swerved you can have swerved she can have swerved we can have swerved you can have swerved they can have swerved
V-ing perfect
I can have been swerving you can have been swerving she can have been swerving we can have been swerving you can have been swerving they can have been swerving
Negation
Simple form
I can't swerve you can't swerve she can't swerve we can't swerve you can't swerve they can't swerve
V-ing form
I can't be swerving you can't be swerving she can't be swerving we can't be swerving you can't be swerving they can't be swerving
Perfect
I can't have swerved you can't have swerved she can't have swerved we can't have swerved you can't have swerved they can't have swerved
V-ing perfect
I can't have been swerving you can't have been swerving she can't have been swerving we can't have been swerving you can't have been swerving they can't have been swerving
Interrogative form
Simple form
can I swerve? can you swerve? can she swerve? can we swerve? can you swerve? can they swerve?
V-ing form
can I be swerving? can you be swerving? can she be swerving? can we be swerving? can you be swerving? can they be swerving?
Perfect
can I have swerved? can you have swerved? can she have swerved? can we have swerved? can you have swerved? can they have swerved?
V-ing perfect
can I have been swerving? can you have been swerving? can she have been swerving? can we have been swerving? can you have been swerving? can they have been swerving?
Interro-negative form
Simple form
can't I swerve? can't you swerve? can't she swerve? can't we swerve? can't you swerve? can't they swerve?
V-ing form
can't I be swerving? can't you be swerving? can't she be swerving? can't we be swerving? can't you be swerving? can't they be swerving?
Perfect
can't I have swerved? can't you have swerved? can't she have swerved? can't we have swerved? can't you have swerved? can't they have swerved?
V-ing perfect
can't I have been swerving? can't you have been swerving? can't she have been swerving? can't we have been swerving? can't you have been swerving? can't they have been swerving?