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 can't self-ignite you can't self-ignite he can't self-ignite we can't self-ignite you can't self-ignite they can't self-ignite
V-ing form
I can't be self-igniting you can't be self-igniting he can't be self-igniting we can't be self-igniting you can't be self-igniting they can't be self-igniting
Perfect
I can't have self-ignited you can't have self-ignited he can't have self-ignited we can't have self-ignited you can't have self-ignited they can't have self-ignited
V-ing perfect
I can't have been self-igniting you can't have been self-igniting he can't have been self-igniting we can't have been self-igniting you can't have been self-igniting they can't 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't I self-ignite? can't you self-ignite? can't he self-ignite? can't we self-ignite? can't you self-ignite? can't they self-ignite?
V-ing form
can't I be self-igniting? can't you be self-igniting? can't he be self-igniting? can't we be self-igniting? can't you be self-igniting? can't they be self-igniting?
Perfect
can't I have self-ignited? can't you have self-ignited? can't he have self-ignited? can't we have self-ignited? can't you have self-ignited? can't they have self-ignited?
V-ing perfect
can't I have been self-igniting? can't you have been self-igniting? can't he have been self-igniting? can't we have been self-igniting? can't you have been self-igniting? can't they have been self-igniting?