ought to taxi
Regular verb: taxi - taxied- taxied

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to taxi
you ought to taxi
he ought to taxi
we ought to taxi
you ought to taxi
they ought to taxi 	I ought to be taxiing
you ought to be taxiing
he ought to be taxiing
we ought to be taxiing
you ought to be taxiing
they ought to be taxiing	I ought to have taxied
you ought to have taxied
he ought to have taxied
we ought to have taxied
you ought to have taxied
they ought to have taxied	I ought to have been taxiing
you ought to have been taxiing
he ought to have been taxiing
we ought to have been taxiing
you ought to have been taxiing
they ought to have been taxiing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to taxi
you ought not to taxi
he ought not to taxi
we ought not to taxi
you ought not to taxi
they ought not to taxi 	I ought not to taxiing
you ought not to taxiing
he ought not to taxiing
we ought not to taxiing
you ought not to taxiing
they ought not to taxiing	I ought not to have taxied
you ought not to have taxied
he ought not to have taxied
we ought not to have taxied
you ought not to have taxied
they ought not to have taxied	I ought not to have been taxiing
you ought not to have been taxiing
he ought not to have been taxiing
we ought not to have been taxiing
you ought not to have been taxiing
they ought not to have been taxiing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I taxi?
ought to you taxi?
ought to he taxi?
ought to we taxi?
ought to you taxi?
ought to they taxi? 	ought to I be taxiing?
ought to you be taxiing?
ought to he be taxiing?
ought to we be taxiing?
ought to you be taxiing?
ought to they be taxiing? 	ought to I have taxied?
ought to you have taxied?
ought to he have taxied?
ought to we have taxied?
ought to you have taxied?
ought to they have taxied? 	ought to I have been taxiing?
ought to you have been taxiing?
ought to he have been taxiing?
ought to we have been taxiing?
ought to you have been taxiing?
ought to they have been taxiing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to taxi?
ought you not to taxi?
ought he not to taxi?
ought we not to taxi?
ought you not to taxi?
ought they not to taxi? 	ought I not to be taxiing?
ought you not to be taxiing?
ought he not to be taxiing?
ought we not to be taxiing?
ought you not to be taxiing?
ought they not to be taxiing? 	ought I not to have taxied?
ought you not to have taxied?
ought he not to have taxied?
ought we not to have taxied?
ought you not to have taxied?
ought they not to have taxied? 	ought I not to have been taxiing?
ought you not to have been taxiing?
ought he not to have been taxiing?
ought we not to have been taxiing?
ought you not to have been taxiing?
ought they not to have been taxiing?