must lavish
Regular verb: lavish - lavished- lavished

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must lavish
you must lavish
she must lavish
we must lavish
you must lavish
they must lavish 	I must be lavishing
you must be lavishing
she must be lavishing
we must be lavishing
you must be lavishing
they must be lavishing	I must have lavished
you must have lavished
she must have lavished
we must have lavished
you must have lavished
they must have lavished	I must have been lavishing
you must have been lavishing
she must have been lavishing
we must have been lavishing
you must have been lavishing
they must have been lavishing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not lavish
you must not lavish
she must not lavish
we must not lavish
you must not lavish
they must not lavish 	I must not be lavishing
you must not be lavishing
she must not be lavishing
we must not be lavishing
you must not be lavishing
they must not be lavishing	I must not have lavished
you must not have lavished
she must not have lavished
we must not have lavished
you must not have lavished
they must not have lavished	I must not have been lavishing
you must not have been lavishing
she must not have been lavishing
we must not have been lavishing
you must not have been lavishing
they must not have been lavishing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I lavish?
must you lavish?
must she lavish?
must we lavish?
must you lavish?
must they lavish? 	must I be lavishing?
must you be lavishing?
must she be lavishing?
must we be lavishing?
must you be lavishing?
must they be lavishing? 	must I have lavished?
must you have lavished?
must she have lavished?
must we have lavished?
must you have lavished?
must they have lavished? 	must I have been lavishing?
must you have been lavishing?
must she have been lavishing?
must we have been lavishing?
must you have been lavishing?
must they have been lavishing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not lavish?
must you not lavish?
must she not lavish?
must we not lavish?
must you not lavish?
must they not lavish? 	must I not be lavishing?
must you not be lavishing?
must she not be lavishing?
must we not be lavishing?
must you not be lavishing?
must they not be lavishing? 	must I not have lavished?
must you not have lavished?
must she not have lavished?
must we not have lavished?
must you not have lavished?
must they not have lavished? 	must I not have been lavishing?
must you not have been lavishing?
must she not have been lavishing?
must we not have been lavishing?
must you not have been lavishing?
must they not have been lavishing?