could bloom
Regular verb: bloom - bloomed- bloomed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could bloom
you could bloom
he could bloom
we could bloom
you could bloom
they could bloom 	I could be blooming
you could be blooming
he could be blooming
we could be blooming
you could be blooming
they could be blooming	I could have bloomed
you could have bloomed
he could have bloomed
we could have bloomed
you could have bloomed
they could have bloomed	I could have been blooming
you could have been blooming
he could have been blooming
we could have been blooming
you could have been blooming
they could have been blooming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't bloom
you couldn't bloom
he couldn't bloom
we couldn't bloom
you couldn't bloom
they couldn't bloom 	I couldn't be blooming
you couldn't be blooming
he couldn't be blooming
we couldn't be blooming
you couldn't be blooming
they couldn't be blooming	I couldn't have bloomed
you couldn't have bloomed
he couldn't have bloomed
we couldn't have bloomed
you couldn't have bloomed
they couldn't have bloomed	I couldn't have been blooming
you couldn't have been blooming
he couldn't have been blooming
we couldn't have been blooming
you couldn't have been blooming
they couldn't have been blooming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I bloom?
could you bloom?
could he bloom?
could we bloom?
could you bloom?
could they bloom? 	could I be blooming?
could you be blooming?
could he be blooming?
could we be blooming?
could you be blooming?
could they be blooming? 	could I have bloomed?
could you have bloomed?
could he have bloomed?
could we have bloomed?
could you have bloomed?
could they have bloomed? 	could I have been blooming?
could you have been blooming?
could he have been blooming?
could we have been blooming?
could you have been blooming?
could they have been blooming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I bloom?
couldn't you bloom?
couldn't he bloom?
couldn't we bloom?
couldn't you bloom?
couldn't they bloom? 	couldn't I be blooming?
couldn't you be blooming?
couldn't he be blooming?
couldn't we be blooming?
couldn't you be blooming?
couldn't they be blooming? 	couldn't I have bloomed?
couldn't you have bloomed?
couldn't he have bloomed?
couldn't we have bloomed?
couldn't you have bloomed?
couldn't they have bloomed? 	couldn't I have been blooming?
couldn't you have been blooming?
couldn't he have been blooming?
couldn't we have been blooming?
couldn't you have been blooming?
couldn't they have been blooming?