ought to preexamine
Regular verb: preexamine - preexamined- preexamined

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to preexamine
you ought to preexamine
he ought to preexamine
we ought to preexamine
you ought to preexamine
they ought to preexamine 	I ought to be preexamining
you ought to be preexamining
he ought to be preexamining
we ought to be preexamining
you ought to be preexamining
they ought to be preexamining	I ought to have preexamined
you ought to have preexamined
he ought to have preexamined
we ought to have preexamined
you ought to have preexamined
they ought to have preexamined	I ought to have been preexamining
you ought to have been preexamining
he ought to have been preexamining
we ought to have been preexamining
you ought to have been preexamining
they ought to have been preexamining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to preexamine
you ought not to preexamine
he ought not to preexamine
we ought not to preexamine
you ought not to preexamine
they ought not to preexamine 	I ought not to preexamining
you ought not to preexamining
he ought not to preexamining
we ought not to preexamining
you ought not to preexamining
they ought not to preexamining	I ought not to have preexamined
you ought not to have preexamined
he ought not to have preexamined
we ought not to have preexamined
you ought not to have preexamined
they ought not to have preexamined	I ought not to have been preexamining
you ought not to have been preexamining
he ought not to have been preexamining
we ought not to have been preexamining
you ought not to have been preexamining
they ought not to have been preexamining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I preexamine?
ought to you preexamine?
ought to he preexamine?
ought to we preexamine?
ought to you preexamine?
ought to they preexamine? 	ought to I be preexamining?
ought to you be preexamining?
ought to he be preexamining?
ought to we be preexamining?
ought to you be preexamining?
ought to they be preexamining? 	ought to I have preexamined?
ought to you have preexamined?
ought to he have preexamined?
ought to we have preexamined?
ought to you have preexamined?
ought to they have preexamined? 	ought to I have been preexamining?
ought to you have been preexamining?
ought to he have been preexamining?
ought to we have been preexamining?
ought to you have been preexamining?
ought to they have been preexamining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to preexamine?
ought you not to preexamine?
ought he not to preexamine?
ought we not to preexamine?
ought you not to preexamine?
ought they not to preexamine? 	ought I not to be preexamining?
ought you not to be preexamining?
ought he not to be preexamining?
ought we not to be preexamining?
ought you not to be preexamining?
ought they not to be preexamining? 	ought I not to have preexamined?
ought you not to have preexamined?
ought he not to have preexamined?
ought we not to have preexamined?
ought you not to have preexamined?
ought they not to have preexamined? 	ought I not to have been preexamining?
ought you not to have been preexamining?
ought he not to have been preexamining?
ought we not to have been preexamining?
ought you not to have been preexamining?
ought they not to have been preexamining?