ought to lifeguard
Regular verb: lifeguard - lifeguarded- lifeguarded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought to lifeguard
you ought to lifeguard
he ought to lifeguard
we ought to lifeguard
you ought to lifeguard
they ought to lifeguard 	I ought to be lifeguarding
you ought to be lifeguarding
he ought to be lifeguarding
we ought to be lifeguarding
you ought to be lifeguarding
they ought to be lifeguarding	I ought to have lifeguarded
you ought to have lifeguarded
he ought to have lifeguarded
we ought to have lifeguarded
you ought to have lifeguarded
they ought to have lifeguarded	I ought to have been lifeguarding
you ought to have been lifeguarding
he ought to have been lifeguarding
we ought to have been lifeguarding
you ought to have been lifeguarding
they ought to have been lifeguarding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I ought not to lifeguard
you ought not to lifeguard
he ought not to lifeguard
we ought not to lifeguard
you ought not to lifeguard
they ought not to lifeguard 	I ought not to lifeguarding
you ought not to lifeguarding
he ought not to lifeguarding
we ought not to lifeguarding
you ought not to lifeguarding
they ought not to lifeguarding	I ought not to have lifeguarded
you ought not to have lifeguarded
he ought not to have lifeguarded
we ought not to have lifeguarded
you ought not to have lifeguarded
they ought not to have lifeguarded	I ought not to have been lifeguarding
you ought not to have been lifeguarding
he ought not to have been lifeguarding
we ought not to have been lifeguarding
you ought not to have been lifeguarding
they ought not to have been lifeguarding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought to I lifeguard?
ought to you lifeguard?
ought to he lifeguard?
ought to we lifeguard?
ought to you lifeguard?
ought to they lifeguard? 	ought to I be lifeguarding?
ought to you be lifeguarding?
ought to he be lifeguarding?
ought to we be lifeguarding?
ought to you be lifeguarding?
ought to they be lifeguarding? 	ought to I have lifeguarded?
ought to you have lifeguarded?
ought to he have lifeguarded?
ought to we have lifeguarded?
ought to you have lifeguarded?
ought to they have lifeguarded? 	ought to I have been lifeguarding?
ought to you have been lifeguarding?
ought to he have been lifeguarding?
ought to we have been lifeguarding?
ought to you have been lifeguarding?
ought to they have been lifeguarding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
ought I not to lifeguard?
ought you not to lifeguard?
ought he not to lifeguard?
ought we not to lifeguard?
ought you not to lifeguard?
ought they not to lifeguard? 	ought I not to be lifeguarding?
ought you not to be lifeguarding?
ought he not to be lifeguarding?
ought we not to be lifeguarding?
ought you not to be lifeguarding?
ought they not to be lifeguarding? 	ought I not to have lifeguarded?
ought you not to have lifeguarded?
ought he not to have lifeguarded?
ought we not to have lifeguarded?
ought you not to have lifeguarded?
ought they not to have lifeguarded? 	ought I not to have been lifeguarding?
ought you not to have been lifeguarding?
ought he not to have been lifeguarding?
ought we not to have been lifeguarding?
ought you not to have been lifeguarding?
ought they not to have been lifeguarding?