must thrive
Irregular verb: thrive - thrived, throve- thrived, throven

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must thrive
you must thrive
he must thrive
we must thrive
you must thrive
they must thrive 	I must be thriving
you must be thriving
he must be thriving
we must be thriving
you must be thriving
they must be thriving	I must have thrived, throven
you must have thrived, throven
he must have thrived, throven
we must have thrived, throven
you must have thrived, throven
they must have thrived, throven	I must have been thriving
you must have been thriving
he must have been thriving
we must have been thriving
you must have been thriving
they must have been thriving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't thrive
you mustn't thrive
he mustn't thrive
we mustn't thrive
you mustn't thrive
they mustn't thrive 	I mustn't be thriving
you mustn't be thriving
he mustn't be thriving
we mustn't be thriving
you mustn't be thriving
they mustn't be thriving	I mustn't have thrived, throven
you mustn't have thrived, throven
he mustn't have thrived, throven
we mustn't have thrived, throven
you mustn't have thrived, throven
they mustn't have thrived, throven	I mustn't have been thriving
you mustn't have been thriving
he mustn't have been thriving
we mustn't have been thriving
you mustn't have been thriving
they mustn't have been thriving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I thrive?
must you thrive?
must he thrive?
must we thrive?
must you thrive?
must they thrive? 	must I be thriving?
must you be thriving?
must he be thriving?
must we be thriving?
must you be thriving?
must they be thriving? 	must I have thrived, throven?
must you have thrived, throven?
must he have thrived, throven?
must we have thrived, throven?
must you have thrived, throven?
must they have thrived, throven? 	must I have been thriving?
must you have been thriving?
must he have been thriving?
must we have been thriving?
must you have been thriving?
must they have been thriving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I thrive?
mustn't you thrive?
mustn't he thrive?
mustn't we thrive?
mustn't you thrive?
mustn't they thrive? 	mustn't I be thriving?
mustn't you be thriving?
mustn't he be thriving?
mustn't we be thriving?
mustn't you be thriving?
mustn't they be thriving? 	mustn't I have thrived, throven?
mustn't you have thrived, throven?
mustn't he have thrived, throven?
mustn't we have thrived, throven?
mustn't you have thrived, throven?
mustn't they have thrived, throven? 	mustn't I have been thriving?
mustn't you have been thriving?
mustn't he have been thriving?
mustn't we have been thriving?
mustn't you have been thriving?
mustn't they have been thriving?