English verb conjugation
CAN NEGOTIATE

Regular verb: negotiate - negotiated - negotiated

Affirmation

Simple form	V-ing form
I can negotiate you can negotiate she can negotiate we can negotiate you can negotiate they can negotiate	I can be negotiating you can be negotiating she 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 she 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 she 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 she cannot negotiate we cannot negotiate you cannot negotiate they cannot negotiate	I cannot be negotiating you cannot be negotiating she 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 she 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 she 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 she negotiate? can we negotiate? can you negotiate? can they negotiate?	can I be negotiating? can you be negotiating? can she 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 she 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 she 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 she 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 she 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 she 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 she not have been negotiating? can we not have been negotiating? can you not have been negotiating? can they not have been negotiating?