must osculate
Regular verb: osculate - osculated- osculated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must osculate
you must osculate
she must osculate
we must osculate
you must osculate
they must osculate 	I must be osculating
you must be osculating
she must be osculating
we must be osculating
you must be osculating
they must be osculating	I must have osculated
you must have osculated
she must have osculated
we must have osculated
you must have osculated
they must have osculated	I must have been osculating
you must have been osculating
she must have been osculating
we must have been osculating
you must have been osculating
they must have been osculating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't osculate
you mustn't osculate
she mustn't osculate
we mustn't osculate
you mustn't osculate
they mustn't osculate 	I mustn't be osculating
you mustn't be osculating
she mustn't be osculating
we mustn't be osculating
you mustn't be osculating
they mustn't be osculating	I mustn't have osculated
you mustn't have osculated
she mustn't have osculated
we mustn't have osculated
you mustn't have osculated
they mustn't have osculated	I mustn't have been osculating
you mustn't have been osculating
she mustn't have been osculating
we mustn't have been osculating
you mustn't have been osculating
they mustn't have been osculating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I osculate?
must you osculate?
must she osculate?
must we osculate?
must you osculate?
must they osculate? 	must I be osculating?
must you be osculating?
must she be osculating?
must we be osculating?
must you be osculating?
must they be osculating? 	must I have osculated?
must you have osculated?
must she have osculated?
must we have osculated?
must you have osculated?
must they have osculated? 	must I have been osculating?
must you have been osculating?
must she have been osculating?
must we have been osculating?
must you have been osculating?
must they have been osculating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I osculate?
mustn't you osculate?
mustn't she osculate?
mustn't we osculate?
mustn't you osculate?
mustn't they osculate? 	mustn't I be osculating?
mustn't you be osculating?
mustn't she be osculating?
mustn't we be osculating?
mustn't you be osculating?
mustn't they be osculating? 	mustn't I have osculated?
mustn't you have osculated?
mustn't she have osculated?
mustn't we have osculated?
mustn't you have osculated?
mustn't they have osculated? 	mustn't I have been osculating?
mustn't you have been osculating?
mustn't she have been osculating?
mustn't we have been osculating?
mustn't you have been osculating?
mustn't they have been osculating?