English verb conjugation
CAN CONJECTURE

Regular verb: conjecture - conjectured - conjectured

Affirmation

Simple form	V-ing form
I can conjecture you can conjecture he can conjecture we can conjecture you can conjecture they can conjecture	I can be conjecturing you can be conjecturing he 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 he 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 he 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 he cannot conjecture we cannot conjecture you cannot conjecture they cannot conjecture	I cannot be conjecturing you cannot be conjecturing he 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 he 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 he 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 he conjecture? can we conjecture? can you conjecture? can they conjecture?	can I be conjecturing? can you be conjecturing? can he 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 he 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 he 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 he 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 he 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 he 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 he not have been conjecturing? can we not have been conjecturing? can you not have been conjecturing? can they not have been conjecturing?