English verb conjugation
CAN BLACKMARKET

Regular verb: blackmarket - blackmarketed - blackmarketed

Affirmation

Simple form	V-ing form
I can blackmarket you can blackmarket she can blackmarket we can blackmarket you can blackmarket they can blackmarket	I can be blackmarketing you can be blackmarketing she can be blackmarketing we can be blackmarketing you can be blackmarketing they can be blackmarketing
Perfect	V-ing perfect
I can have blackmarketed you can have blackmarketed she can have blackmarketed we can have blackmarketed you can have blackmarketed they can have blackmarketed	I can have been blackmarketing you can have been blackmarketing she can have been blackmarketing we can have been blackmarketing you can have been blackmarketing they can have been blackmarketing

Negation

Simple form	V-ing form
I cannot blackmarket you cannot blackmarket she cannot blackmarket we cannot blackmarket you cannot blackmarket they cannot blackmarket	I cannot be blackmarketing you cannot be blackmarketing she cannot be blackmarketing we cannot be blackmarketing you cannot be blackmarketing they cannot be blackmarketing
Perfect	V-ing perfect
I cannot have blackmarketed you cannot have blackmarketed she cannot have blackmarketed we cannot have blackmarketed you cannot have blackmarketed they cannot have blackmarketed	I cannot have been blackmarketing you cannot have been blackmarketing she cannot have been blackmarketing we cannot have been blackmarketing you cannot have been blackmarketing they cannot have been blackmarketing

Interrogative form

Simple form	V-ing form
can I blackmarket? can you blackmarket? can she blackmarket? can we blackmarket? can you blackmarket? can they blackmarket?	can I be blackmarketing? can you be blackmarketing? can she be blackmarketing? can we be blackmarketing? can you be blackmarketing? can they be blackmarketing?
Perfect	V-ing perfect
can I have blackmarketed? can you have blackmarketed? can she have blackmarketed? can we have blackmarketed? can you have blackmarketed? can they have blackmarketed?	can I have been blackmarketing? can you have been blackmarketing? can she have been blackmarketing? can we have been blackmarketing? can you have been blackmarketing? can they have been blackmarketing?

Interro-negative form

Simple form	V-ing form
can I not blackmarket? can you not blackmarket? can she not blackmarket? can we not blackmarket? can you not blackmarket? can they not blackmarket?	can I not be blackmarketing? can you not be blackmarketing? can she not be blackmarketing? can we not be blackmarketing? can you not be blackmarketing? can they not be blackmarketing?
Perfect	V-ing perfect
can I not have blackmarketed? can you not have blackmarketed? can she not have blackmarketed? can we not have blackmarketed? can you not have blackmarketed? can they not have blackmarketed?	can I not have been blackmarketing? can you not have been blackmarketing? can she not have been blackmarketing? can we not have been blackmarketing? can you not have been blackmarketing? can they not have been blackmarketing?