can reobserve
Regular verb: reobserve - reobserved- reobserved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can reobserve
you can reobserve
he can reobserve
we can reobserve
you can reobserve
they can reobserve 	I can be reobserving
you can be reobserving
he can be reobserving
we can be reobserving
you can be reobserving
they can be reobserving	I can have reobserved
you can have reobserved
he can have reobserved
we can have reobserved
you can have reobserved
they can have reobserved	I can have been reobserving
you can have been reobserving
he can have been reobserving
we can have been reobserving
you can have been reobserving
they can have been reobserving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot reobserve
you cannot reobserve
he cannot reobserve
we cannot reobserve
you cannot reobserve
they cannot reobserve 	I cannot be reobserving
you cannot be reobserving
he cannot be reobserving
we cannot be reobserving
you cannot be reobserving
they cannot be reobserving	I cannot have reobserved
you cannot have reobserved
he cannot have reobserved
we cannot have reobserved
you cannot have reobserved
they cannot have reobserved	I cannot have been reobserving
you cannot have been reobserving
he cannot have been reobserving
we cannot have been reobserving
you cannot have been reobserving
they cannot have been reobserving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I reobserve?
can you reobserve?
can he reobserve?
can we reobserve?
can you reobserve?
can they reobserve? 	can I be reobserving?
can you be reobserving?
can he be reobserving?
can we be reobserving?
can you be reobserving?
can they be reobserving? 	can I have reobserved?
can you have reobserved?
can he have reobserved?
can we have reobserved?
can you have reobserved?
can they have reobserved? 	can I have been reobserving?
can you have been reobserving?
can he have been reobserving?
can we have been reobserving?
can you have been reobserving?
can they have been reobserving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not reobserve?
can you not reobserve?
can he not reobserve?
can we not reobserve?
can you not reobserve?
can they not reobserve? 	can I not be reobserving?
can you not be reobserving?
can he not be reobserving?
can we not be reobserving?
can you not be reobserving?
can they not be reobserving? 	can I not have reobserved?
can you not have reobserved?
can he not have reobserved?
can we not have reobserved?
can you not have reobserved?
can they not have reobserved? 	can I not have been reobserving?
can you not have been reobserving?
can he not have been reobserving?
can we not have been reobserving?
can you not have been reobserving?
can they not have been reobserving?