must thrust
Irregular verb: thrust - thrust- thrust

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must thrust
you must thrust
he must thrust
we must thrust
you must thrust
they must thrust 	I must be thrusting
you must be thrusting
he must be thrusting
we must be thrusting
you must be thrusting
they must be thrusting	I must have thrust
you must have thrust
he must have thrust
we must have thrust
you must have thrust
they must have thrust	I must have been thrusting
you must have been thrusting
he must have been thrusting
we must have been thrusting
you must have been thrusting
they must have been thrusting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't thrust
you mustn't thrust
he mustn't thrust
we mustn't thrust
you mustn't thrust
they mustn't thrust 	I mustn't be thrusting
you mustn't be thrusting
he mustn't be thrusting
we mustn't be thrusting
you mustn't be thrusting
they mustn't be thrusting	I mustn't have thrust
you mustn't have thrust
he mustn't have thrust
we mustn't have thrust
you mustn't have thrust
they mustn't have thrust	I mustn't have been thrusting
you mustn't have been thrusting
he mustn't have been thrusting
we mustn't have been thrusting
you mustn't have been thrusting
they mustn't have been thrusting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I thrust?
must you thrust?
must he thrust?
must we thrust?
must you thrust?
must they thrust? 	must I be thrusting?
must you be thrusting?
must he be thrusting?
must we be thrusting?
must you be thrusting?
must they be thrusting? 	must I have thrust?
must you have thrust?
must he have thrust?
must we have thrust?
must you have thrust?
must they have thrust? 	must I have been thrusting?
must you have been thrusting?
must he have been thrusting?
must we have been thrusting?
must you have been thrusting?
must they have been thrusting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I thrust?
mustn't you thrust?
mustn't he thrust?
mustn't we thrust?
mustn't you thrust?
mustn't they thrust? 	mustn't I be thrusting?
mustn't you be thrusting?
mustn't he be thrusting?
mustn't we be thrusting?
mustn't you be thrusting?
mustn't they be thrusting? 	mustn't I have thrust?
mustn't you have thrust?
mustn't he have thrust?
mustn't we have thrust?
mustn't you have thrust?
mustn't they have thrust? 	mustn't I have been thrusting?
mustn't you have been thrusting?
mustn't he have been thrusting?
mustn't we have been thrusting?
mustn't you have been thrusting?
mustn't they have been thrusting?