ought to double-check
Regular verb: double-check - double-checked- double-checked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to double-check
you ought to double-check
she ought to double-check
we ought to double-check
you ought to double-check
they ought to double-check 	I ought to be double-checking
you ought to be double-checking
she ought to be double-checking
we ought to be double-checking
you ought to be double-checking
they ought to be double-checking	I ought to have double-checked
you ought to have double-checked
she ought to have double-checked
we ought to have double-checked
you ought to have double-checked
they ought to have double-checked	I ought to have been double-checking
you ought to have been double-checking
she ought to have been double-checking
we ought to have been double-checking
you ought to have been double-checking
they ought to have been double-checking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to double-check
you ought not to double-check
she ought not to double-check
we ought not to double-check
you ought not to double-check
they ought not to double-check 	I ought not to double-checking
you ought not to double-checking
she ought not to double-checking
we ought not to double-checking
you ought not to double-checking
they ought not to double-checking	I ought not to have double-checked
you ought not to have double-checked
she ought not to have double-checked
we ought not to have double-checked
you ought not to have double-checked
they ought not to have double-checked	I ought not to have been double-checking
you ought not to have been double-checking
she ought not to have been double-checking
we ought not to have been double-checking
you ought not to have been double-checking
they ought not to have been double-checking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I double-check?
ought to you double-check?
ought to she double-check?
ought to we double-check?
ought to you double-check?
ought to they double-check? 	ought to I be double-checking?
ought to you be double-checking?
ought to she be double-checking?
ought to we be double-checking?
ought to you be double-checking?
ought to they be double-checking? 	ought to I have double-checked?
ought to you have double-checked?
ought to she have double-checked?
ought to we have double-checked?
ought to you have double-checked?
ought to they have double-checked? 	ought to I have been double-checking?
ought to you have been double-checking?
ought to she have been double-checking?
ought to we have been double-checking?
ought to you have been double-checking?
ought to they have been double-checking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to double-check?
ought you not to double-check?
ought she not to double-check?
ought we not to double-check?
ought you not to double-check?
ought they not to double-check? 	ought I not to be double-checking?
ought you not to be double-checking?
ought she not to be double-checking?
ought we not to be double-checking?
ought you not to be double-checking?
ought they not to be double-checking? 	ought I not to have double-checked?
ought you not to have double-checked?
ought she not to have double-checked?
ought we not to have double-checked?
ought you not to have double-checked?
ought they not to have double-checked? 	ought I not to have been double-checking?
ought you not to have been double-checking?
ought she not to have been double-checking?
ought we not to have been double-checking?
ought you not to have been double-checking?
ought they not to have been double-checking?