can conjecture
Regular verb: conjecture - conjectured- conjectured

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can conjecture
you can conjecture
she can conjecture
we can conjecture
you can conjecture
they can conjecture 	I can be conjecturing
you can be conjecturing
she can be conjecturing
we can be conjecturing
you can be conjecturing
they can be conjecturing	I can have conjectured
you can have conjectured
she can have conjectured
we can have conjectured
you can have conjectured
they can have conjectured	I can have been conjecturing
you can have been conjecturing
she can have been conjecturing
we can have been conjecturing
you can have been conjecturing
they can have been conjecturing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot conjecture
you cannot conjecture
she cannot conjecture
we cannot conjecture
you cannot conjecture
they cannot conjecture 	I cannot be conjecturing
you cannot be conjecturing
she cannot be conjecturing
we cannot be conjecturing
you cannot be conjecturing
they cannot be conjecturing	I cannot have conjectured
you cannot have conjectured
she cannot have conjectured
we cannot have conjectured
you cannot have conjectured
they cannot have conjectured	I cannot have been conjecturing
you cannot have been conjecturing
she cannot have been conjecturing
we cannot have been conjecturing
you cannot have been conjecturing
they cannot have been conjecturing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I conjecture?
can you conjecture?
can she conjecture?
can we conjecture?
can you conjecture?
can they conjecture? 	can I be conjecturing?
can you be conjecturing?
can she be conjecturing?
can we be conjecturing?
can you be conjecturing?
can they be conjecturing? 	can I have conjectured?
can you have conjectured?
can she have conjectured?
can we have conjectured?
can you have conjectured?
can they have conjectured? 	can I have been conjecturing?
can you have been conjecturing?
can she have been conjecturing?
can we have been conjecturing?
can you have been conjecturing?
can they have been conjecturing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not conjecture?
can you not conjecture?
can she not conjecture?
can we not conjecture?
can you not conjecture?
can they not conjecture? 	can I not be conjecturing?
can you not be conjecturing?
can she not be conjecturing?
can we not be conjecturing?
can you not be conjecturing?
can they not be conjecturing? 	can I not have conjectured?
can you not have conjectured?
can she not have conjectured?
can we not have conjectured?
can you not have conjectured?
can they not have conjectured? 	can I not have been conjecturing?
can you not have been conjecturing?
can she not have been conjecturing?
can we not have been conjecturing?
can you not have been conjecturing?
can they not have been conjecturing?