ought to apprehend
Regular verb: apprehend - apprehended- apprehended

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to apprehend
you ought to apprehend
she ought to apprehend
we ought to apprehend
you ought to apprehend
they ought to apprehend 	I ought to be apprehending
you ought to be apprehending
she ought to be apprehending
we ought to be apprehending
you ought to be apprehending
they ought to be apprehending	I ought to have apprehended
you ought to have apprehended
she ought to have apprehended
we ought to have apprehended
you ought to have apprehended
they ought to have apprehended	I ought to have been apprehending
you ought to have been apprehending
she ought to have been apprehending
we ought to have been apprehending
you ought to have been apprehending
they ought to have been apprehending	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I oughtn't to apprehend
you oughtn't to apprehend
she oughtn't to apprehend
we oughtn't to apprehend
you oughtn't to apprehend
they oughtn't to apprehend 	I oughtn't to be apprehending
you oughtn't to be apprehending
she oughtn't to be apprehending
we oughtn't to be apprehending
you oughtn't to be apprehending
they oughtn't to be apprehending	I oughtn't to have apprehended
you oughtn't to have apprehended
she oughtn't to have apprehended
we oughtn't to have apprehended
you oughtn't to have apprehended
they oughtn't to have apprehended	I oughtn't to have been apprehending
you oughtn't to have been apprehending
she oughtn't to have been apprehending
we oughtn't to have been apprehending
you oughtn't to have been apprehending
they oughtn't to have been apprehending	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I apprehend?
ought to you apprehend?
ought to she apprehend?
ought to we apprehend?
ought to you apprehend?
ought to they apprehend? 	ought to I be apprehending?
ought to you be apprehending?
ought to she be apprehending?
ought to we be apprehending?
ought to you be apprehending?
ought to they be apprehending? 	ought to I have apprehended?
ought to you have apprehended?
ought to she have apprehended?
ought to we have apprehended?
ought to you have apprehended?
ought to they have apprehended? 	ought to I have been apprehending?
ought to you have been apprehending?
ought to she have been apprehending?
ought to we have been apprehending?
ought to you have been apprehending?
ought to they have been apprehending? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
oughtn't I to apprehend?
oughtn't you to apprehend?
oughtn't she to apprehend?
oughtn't we to apprehend?
oughtn't you to apprehend?
oughtn't they to apprehend? 	oughtn't I to be apprehending?
oughtn't you to be apprehending?
oughtn't she to be apprehending?
oughtn't we to be apprehending?
oughtn't you to be apprehending?
oughtn't they to be apprehending? 	oughtn't I to have apprehended?
oughtn't you to have apprehended?
oughtn't she to have apprehended?
oughtn't we to have apprehended?
oughtn't you to have apprehended?
oughtn't they to have apprehended? 	oughtn't I to have been apprehending?
oughtn't you to have been apprehending?
oughtn't she to have been apprehending?
oughtn't we to have been apprehending?
oughtn't you to have been apprehending?
oughtn't they to have been apprehending?