can accelerate
Regular verb: accelerate - accelerated- accelerated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can accelerate
you can accelerate
he can accelerate
we can accelerate
you can accelerate
they can accelerate 	I can be accelerating
you can be accelerating
he can be accelerating
we can be accelerating
you can be accelerating
they can be accelerating	I can have accelerated
you can have accelerated
he can have accelerated
we can have accelerated
you can have accelerated
they can have accelerated	I can have been accelerating
you can have been accelerating
he can have been accelerating
we can have been accelerating
you can have been accelerating
they can have been accelerating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't accelerate
you can't accelerate
he can't accelerate
we can't accelerate
you can't accelerate
they can't accelerate 	I can't be accelerating
you can't be accelerating
he can't be accelerating
we can't be accelerating
you can't be accelerating
they can't be accelerating	I can't have accelerated
you can't have accelerated
he can't have accelerated
we can't have accelerated
you can't have accelerated
they can't have accelerated	I can't have been accelerating
you can't have been accelerating
he can't have been accelerating
we can't have been accelerating
you can't have been accelerating
they can't have been accelerating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I accelerate?
can you accelerate?
can he accelerate?
can we accelerate?
can you accelerate?
can they accelerate? 	can I be accelerating?
can you be accelerating?
can he be accelerating?
can we be accelerating?
can you be accelerating?
can they be accelerating? 	can I have accelerated?
can you have accelerated?
can he have accelerated?
can we have accelerated?
can you have accelerated?
can they have accelerated? 	can I have been accelerating?
can you have been accelerating?
can he have been accelerating?
can we have been accelerating?
can you have been accelerating?
can they have been accelerating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I accelerate?
can't you accelerate?
can't he accelerate?
can't we accelerate?
can't you accelerate?
can't they accelerate? 	can't I be accelerating?
can't you be accelerating?
can't he be accelerating?
can't we be accelerating?
can't you be accelerating?
can't they be accelerating? 	can't I have accelerated?
can't you have accelerated?
can't he have accelerated?
can't we have accelerated?
can't you have accelerated?
can't they have accelerated? 	can't I have been accelerating?
can't you have been accelerating?
can't he have been accelerating?
can't we have been accelerating?
can't you have been accelerating?
can't they have been accelerating?