English verb conjugation
CAN IGNITE

Regular verb: ignite - ignited - ignited

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?