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