English verb conjugation
CAN ROADBLOCK

Regular verb: roadblock - roadblocked - roadblocked

Affirmation

Simple form	V-ing form
I can roadblock you can roadblock he can roadblock we can roadblock you can roadblock they can roadblock	I can be roadblocking you can be roadblocking he can be roadblocking we can be roadblocking you can be roadblocking they can be roadblocking
Perfect	V-ing perfect
I can have roadblocked you can have roadblocked he can have roadblocked we can have roadblocked you can have roadblocked they can have roadblocked	I can have been roadblocking you can have been roadblocking he can have been roadblocking we can have been roadblocking you can have been roadblocking they can have been roadblocking

Negation

Simple form	V-ing form
I can't roadblock you can't roadblock he can't roadblock we can't roadblock you can't roadblock they can't roadblock	I can't be roadblocking you can't be roadblocking he can't be roadblocking we can't be roadblocking you can't be roadblocking they can't be roadblocking
Perfect	V-ing perfect
I can't have roadblocked you can't have roadblocked he can't have roadblocked we can't have roadblocked you can't have roadblocked they can't have roadblocked	I can't have been roadblocking you can't have been roadblocking he can't have been roadblocking we can't have been roadblocking you can't have been roadblocking they can't have been roadblocking

Interrogative form

Simple form	V-ing form
can I roadblock? can you roadblock? can he roadblock? can we roadblock? can you roadblock? can they roadblock?	can I be roadblocking? can you be roadblocking? can he be roadblocking? can we be roadblocking? can you be roadblocking? can they be roadblocking?
Perfect	V-ing perfect
can I have roadblocked? can you have roadblocked? can he have roadblocked? can we have roadblocked? can you have roadblocked? can they have roadblocked?	can I have been roadblocking? can you have been roadblocking? can he have been roadblocking? can we have been roadblocking? can you have been roadblocking? can they have been roadblocking?

Interro-negative form

Simple form	V-ing form
can't I roadblock? can't you roadblock? can't he roadblock? can't we roadblock? can't you roadblock? can't they roadblock?	can't I be roadblocking? can't you be roadblocking? can't he be roadblocking? can't we be roadblocking? can't you be roadblocking? can't they be roadblocking?
Perfect	V-ing perfect
can't I have roadblocked? can't you have roadblocked? can't he have roadblocked? can't we have roadblocked? can't you have roadblocked? can't they have roadblocked?	can't I have been roadblocking? can't you have been roadblocking? can't he have been roadblocking? can't we have been roadblocking? can't you have been roadblocking? can't they have been roadblocking?