can ignite
Regular verb: ignite - ignited- ignited

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can ignite
you can ignite
he can ignite
we can ignite
you can ignite
they can ignite 	I can be igniting
you can be igniting
he can be igniting
we can be igniting
you can be igniting
they can be igniting	I can have ignited
you can have ignited
he can have ignited
we can have ignited
you can have ignited
they can have ignited	I can have been igniting
you can have been igniting
he can have been igniting
we can have been igniting
you can have been igniting
they can have been igniting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot ignite
you cannot ignite
he cannot ignite
we cannot ignite
you cannot ignite
they cannot ignite 	I cannot be igniting
you cannot be igniting
he cannot be igniting
we cannot be igniting
you cannot be igniting
they cannot be igniting	I cannot have ignited
you cannot have ignited
he cannot have ignited
we cannot have ignited
you cannot have ignited
they cannot have ignited	I cannot have been igniting
you cannot have been igniting
he cannot have been igniting
we cannot have been igniting
you cannot have been igniting
they cannot have been igniting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I ignite?
can you ignite?
can he ignite?
can we ignite?
can you ignite?
can they ignite? 	can I be igniting?
can you be igniting?
can he be igniting?
can we be igniting?
can you be igniting?
can they be igniting? 	can I have ignited?
can you have ignited?
can he have ignited?
can we have ignited?
can you have ignited?
can they have ignited? 	can I have been igniting?
can you have been igniting?
can he have been igniting?
can we have been igniting?
can you have been igniting?
can they have been igniting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not ignite?
can you not ignite?
can he not ignite?
can we not ignite?
can you not ignite?
can they not ignite? 	can I not be igniting?
can you not be igniting?
can he not be igniting?
can we not be igniting?
can you not be igniting?
can they not be igniting? 	can I not have ignited?
can you not have ignited?
can he not have ignited?
can we not have ignited?
can you not have ignited?
can they not have ignited? 	can I not have been igniting?
can you not have been igniting?
can he not have been igniting?
can we not have been igniting?
can you not have been igniting?
can they not have been igniting?