can sidestroke
Regular verb: sidestroke - sidestroked- sidestroked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can sidestroke
you can sidestroke
he can sidestroke
we can sidestroke
you can sidestroke
they can sidestroke 	I can be sidestroking
you can be sidestroking
he can be sidestroking
we can be sidestroking
you can be sidestroking
they can be sidestroking	I can have sidestroked
you can have sidestroked
he can have sidestroked
we can have sidestroked
you can have sidestroked
they can have sidestroked	I can have been sidestroking
you can have been sidestroking
he can have been sidestroking
we can have been sidestroking
you can have been sidestroking
they can have been sidestroking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't sidestroke
you can't sidestroke
he can't sidestroke
we can't sidestroke
you can't sidestroke
they can't sidestroke 	I can't be sidestroking
you can't be sidestroking
he can't be sidestroking
we can't be sidestroking
you can't be sidestroking
they can't be sidestroking	I can't have sidestroked
you can't have sidestroked
he can't have sidestroked
we can't have sidestroked
you can't have sidestroked
they can't have sidestroked	I can't have been sidestroking
you can't have been sidestroking
he can't have been sidestroking
we can't have been sidestroking
you can't have been sidestroking
they can't have been sidestroking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I sidestroke?
can you sidestroke?
can he sidestroke?
can we sidestroke?
can you sidestroke?
can they sidestroke? 	can I be sidestroking?
can you be sidestroking?
can he be sidestroking?
can we be sidestroking?
can you be sidestroking?
can they be sidestroking? 	can I have sidestroked?
can you have sidestroked?
can he have sidestroked?
can we have sidestroked?
can you have sidestroked?
can they have sidestroked? 	can I have been sidestroking?
can you have been sidestroking?
can he have been sidestroking?
can we have been sidestroking?
can you have been sidestroking?
can they have been sidestroking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I sidestroke?
can't you sidestroke?
can't he sidestroke?
can't we sidestroke?
can't you sidestroke?
can't they sidestroke? 	can't I be sidestroking?
can't you be sidestroking?
can't he be sidestroking?
can't we be sidestroking?
can't you be sidestroking?
can't they be sidestroking? 	can't I have sidestroked?
can't you have sidestroked?
can't he have sidestroked?
can't we have sidestroked?
can't you have sidestroked?
can't they have sidestroked? 	can't I have been sidestroking?
can't you have been sidestroking?
can't he have been sidestroking?
can't we have been sidestroking?
can't you have been sidestroking?
can't they have been sidestroking?