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 can't conjecture
you can't conjecture
she can't conjecture
we can't conjecture
you can't conjecture
they can't conjecture 	I can't be conjecturing
you can't be conjecturing
she can't be conjecturing
we can't be conjecturing
you can't be conjecturing
they can't be conjecturing	I can't have conjectured
you can't have conjectured
she can't have conjectured
we can't have conjectured
you can't have conjectured
they can't have conjectured	I can't have been conjecturing
you can't have been conjecturing
she can't have been conjecturing
we can't have been conjecturing
you can't have been conjecturing
they can't 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't I conjecture?
can't you conjecture?
can't she conjecture?
can't we conjecture?
can't you conjecture?
can't they conjecture? 	can't I be conjecturing?
can't you be conjecturing?
can't she be conjecturing?
can't we be conjecturing?
can't you be conjecturing?
can't they be conjecturing? 	can't I have conjectured?
can't you have conjectured?
can't she have conjectured?
can't we have conjectured?
can't you have conjectured?
can't they have conjectured? 	can't I have been conjecturing?
can't you have been conjecturing?
can't she have been conjecturing?
can't we have been conjecturing?
can't you have been conjecturing?
can't they have been conjecturing?