English verb conjugation
CAN NEGOTIATE

Regular verb: negotiate - negotiated - negotiated

Affirmation

Simple form	V-ing form
I can negotiate you can negotiate he can negotiate we can negotiate you can negotiate they can negotiate	I can be negotiating you can be negotiating he can be negotiating we can be negotiating you can be negotiating they can be negotiating
Perfect	V-ing perfect
I can have negotiated you can have negotiated he can have negotiated we can have negotiated you can have negotiated they can have negotiated	I can have been negotiating you can have been negotiating he can have been negotiating we can have been negotiating you can have been negotiating they can have been negotiating

Negation

Simple form	V-ing form
I cannot negotiate you cannot negotiate he cannot negotiate we cannot negotiate you cannot negotiate they cannot negotiate	I cannot be negotiating you cannot be negotiating he cannot be negotiating we cannot be negotiating you cannot be negotiating they cannot be negotiating
Perfect	V-ing perfect
I cannot have negotiated you cannot have negotiated he cannot have negotiated we cannot have negotiated you cannot have negotiated they cannot have negotiated	I cannot have been negotiating you cannot have been negotiating he cannot have been negotiating we cannot have been negotiating you cannot have been negotiating they cannot have been negotiating

Interrogative form

Simple form	V-ing form
can I negotiate? can you negotiate? can he negotiate? can we negotiate? can you negotiate? can they negotiate?	can I be negotiating? can you be negotiating? can he be negotiating? can we be negotiating? can you be negotiating? can they be negotiating?
Perfect	V-ing perfect
can I have negotiated? can you have negotiated? can he have negotiated? can we have negotiated? can you have negotiated? can they have negotiated?	can I have been negotiating? can you have been negotiating? can he have been negotiating? can we have been negotiating? can you have been negotiating? can they have been negotiating?

Interro-negative form

Simple form	V-ing form
can I not negotiate? can you not negotiate? can he not negotiate? can we not negotiate? can you not negotiate? can they not negotiate?	can I not be negotiating? can you not be negotiating? can he not be negotiating? can we not be negotiating? can you not be negotiating? can they not be negotiating?
Perfect	V-ing perfect
can I not have negotiated? can you not have negotiated? can he not have negotiated? can we not have negotiated? can you not have negotiated? can they not have negotiated?	can I not have been negotiating? can you not have been negotiating? can he not have been negotiating? can we not have been negotiating? can you not have been negotiating? can they not have been negotiating?