English verb conjugation
CAN REOBSERVE

Regular verb: reobserve - reobserved - reobserved

Affirmation

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