can subsist
Regular verb: subsist - subsisted- subsisted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can subsist
you can subsist
he can subsist
we can subsist
you can subsist
they can subsist 	I can be subsisting
you can be subsisting
he can be subsisting
we can be subsisting
you can be subsisting
they can be subsisting	I can have subsisted
you can have subsisted
he can have subsisted
we can have subsisted
you can have subsisted
they can have subsisted	I can have been subsisting
you can have been subsisting
he can have been subsisting
we can have been subsisting
you can have been subsisting
they can have been subsisting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot subsist
you cannot subsist
he cannot subsist
we cannot subsist
you cannot subsist
they cannot subsist 	I cannot be subsisting
you cannot be subsisting
he cannot be subsisting
we cannot be subsisting
you cannot be subsisting
they cannot be subsisting	I cannot have subsisted
you cannot have subsisted
he cannot have subsisted
we cannot have subsisted
you cannot have subsisted
they cannot have subsisted	I cannot have been subsisting
you cannot have been subsisting
he cannot have been subsisting
we cannot have been subsisting
you cannot have been subsisting
they cannot have been subsisting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I subsist?
can you subsist?
can he subsist?
can we subsist?
can you subsist?
can they subsist? 	can I be subsisting?
can you be subsisting?
can he be subsisting?
can we be subsisting?
can you be subsisting?
can they be subsisting? 	can I have subsisted?
can you have subsisted?
can he have subsisted?
can we have subsisted?
can you have subsisted?
can they have subsisted? 	can I have been subsisting?
can you have been subsisting?
can he have been subsisting?
can we have been subsisting?
can you have been subsisting?
can they have been subsisting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not subsist?
can you not subsist?
can he not subsist?
can we not subsist?
can you not subsist?
can they not subsist? 	can I not be subsisting?
can you not be subsisting?
can he not be subsisting?
can we not be subsisting?
can you not be subsisting?
can they not be subsisting? 	can I not have subsisted?
can you not have subsisted?
can he not have subsisted?
can we not have subsisted?
can you not have subsisted?
can they not have subsisted? 	can I not have been subsisting?
can you not have been subsisting?
can he not have been subsisting?
can we not have been subsisting?
can you not have been subsisting?
can they not have been subsisting?