English verb conjugation
CAN CONJECTURE

Regular verb: conjecture - conjectured - conjectured

Affirmation

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