I can impact you can impact she can impact we can impact you can impact they can impact
V-ing form
I can be impacting you can be impacting she can be impacting we can be impacting you can be impacting they can be impacting
Perfect
I can have impacted you can have impacted she can have impacted we can have impacted you can have impacted they can have impacted
V-ing perfect
I can have been impacting you can have been impacting she can have been impacting we can have been impacting you can have been impacting they can have been impacting
Negation
Simple form
I can't impact you can't impact she can't impact we can't impact you can't impact they can't impact
V-ing form
I can't be impacting you can't be impacting she can't be impacting we can't be impacting you can't be impacting they can't be impacting
Perfect
I can't have impacted you can't have impacted she can't have impacted we can't have impacted you can't have impacted they can't have impacted
V-ing perfect
I can't have been impacting you can't have been impacting she can't have been impacting we can't have been impacting you can't have been impacting they can't have been impacting
Interrogative form
Simple form
can I impact? can you impact? can she impact? can we impact? can you impact? can they impact?
V-ing form
can I be impacting? can you be impacting? can she be impacting? can we be impacting? can you be impacting? can they be impacting?
Perfect
can I have impacted? can you have impacted? can she have impacted? can we have impacted? can you have impacted? can they have impacted?
V-ing perfect
can I have been impacting? can you have been impacting? can she have been impacting? can we have been impacting? can you have been impacting? can they have been impacting?
Interro-negative form
Simple form
can't I impact? can't you impact? can't she impact? can't we impact? can't you impact? can't they impact?
V-ing form
can't I be impacting? can't you be impacting? can't she be impacting? can't we be impacting? can't you be impacting? can't they be impacting?
Perfect
can't I have impacted? can't you have impacted? can't she have impacted? can't we have impacted? can't you have impacted? can't they have impacted?
V-ing perfect
can't I have been impacting? can't you have been impacting? can't she have been impacting? can't we have been impacting? can't you have been impacting? can't they have been impacting?