ought to backstroke
Regular verb: backstroke - backstroked- backstroked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to backstroke
you ought to backstroke
she ought to backstroke
we ought to backstroke
you ought to backstroke
they ought to backstroke 	I ought to be backstroking
you ought to be backstroking
she ought to be backstroking
we ought to be backstroking
you ought to be backstroking
they ought to be backstroking	I ought to have backstroked
you ought to have backstroked
she ought to have backstroked
we ought to have backstroked
you ought to have backstroked
they ought to have backstroked	I ought to have been backstroking
you ought to have been backstroking
she ought to have been backstroking
we ought to have been backstroking
you ought to have been backstroking
they ought to have been backstroking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to backstroke
you ought not to backstroke
she ought not to backstroke
we ought not to backstroke
you ought not to backstroke
they ought not to backstroke 	I ought not to backstroking
you ought not to backstroking
she ought not to backstroking
we ought not to backstroking
you ought not to backstroking
they ought not to backstroking	I ought not to have backstroked
you ought not to have backstroked
she ought not to have backstroked
we ought not to have backstroked
you ought not to have backstroked
they ought not to have backstroked	I ought not to have been backstroking
you ought not to have been backstroking
she ought not to have been backstroking
we ought not to have been backstroking
you ought not to have been backstroking
they ought not to have been backstroking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I backstroke?
ought to you backstroke?
ought to she backstroke?
ought to we backstroke?
ought to you backstroke?
ought to they backstroke? 	ought to I be backstroking?
ought to you be backstroking?
ought to she be backstroking?
ought to we be backstroking?
ought to you be backstroking?
ought to they be backstroking? 	ought to I have backstroked?
ought to you have backstroked?
ought to she have backstroked?
ought to we have backstroked?
ought to you have backstroked?
ought to they have backstroked? 	ought to I have been backstroking?
ought to you have been backstroking?
ought to she have been backstroking?
ought to we have been backstroking?
ought to you have been backstroking?
ought to they have been backstroking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to backstroke?
ought you not to backstroke?
ought she not to backstroke?
ought we not to backstroke?
ought you not to backstroke?
ought they not to backstroke? 	ought I not to be backstroking?
ought you not to be backstroking?
ought she not to be backstroking?
ought we not to be backstroking?
ought you not to be backstroking?
ought they not to be backstroking? 	ought I not to have backstroked?
ought you not to have backstroked?
ought she not to have backstroked?
ought we not to have backstroked?
ought you not to have backstroked?
ought they not to have backstroked? 	ought I not to have been backstroking?
ought you not to have been backstroking?
ought she not to have been backstroking?
ought we not to have been backstroking?
ought you not to have been backstroking?
ought they not to have been backstroking?