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

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

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

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

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