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 can't conjecture you can't conjecture he 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 he can't be conjecturing we can't be conjecturing you can't be conjecturing they can't be conjecturing
Perfect	V-ing perfect
I can't have conjectured you can't have conjectured he 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 he 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
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't I conjecture? can't you conjecture? can't he 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 he be conjecturing? can't we be conjecturing? can't you be conjecturing? can't they be conjecturing?
Perfect	V-ing perfect
can't I have conjectured? can't you have conjectured? can't he 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 he have been conjecturing? can't we have been conjecturing? can't you have been conjecturing? can't they have been conjecturing?