I could cripple you could cripple she could cripple we could cripple you could cripple they could cripple
V-ing form
I could be crippling you could be crippling she could be crippling we could be crippling you could be crippling they could be crippling
Perfect
I could have crippled you could have crippled she could have crippled we could have crippled you could have crippled they could have crippled
V-ing perfect
I could have been crippling you could have been crippling she could have been crippling we could have been crippling you could have been crippling they could have been crippling
Negation
Simple form
I could not cripple you could not cripple she could not cripple we could not cripple you could not cripple they could not cripple
V-ing form
I could not be crippling you could not be crippling she could not be crippling we could not be crippling you could not be crippling they could not be crippling
Perfect
I could not have crippled you could not have crippled she could not have crippled we could not have crippled you could not have crippled they could not have crippled
V-ing perfect
I could not have been crippling you could not have been crippling she could not have been crippling we could not have been crippling you could not have been crippling they could not have been crippling
Interrogative form
Simple form
could I cripple? could you cripple? could she cripple? could we cripple? could you cripple? could they cripple?
V-ing form
could I be crippling? could you be crippling? could she be crippling? could we be crippling? could you be crippling? could they be crippling?
Perfect
could I have crippled? could you have crippled? could she have crippled? could we have crippled? could you have crippled? could they have crippled?
V-ing perfect
could I have been crippling? could you have been crippling? could she have been crippling? could we have been crippling? could you have been crippling? could they have been crippling?
Interro-negative form
Simple form
could I not cripple? could you not cripple? could she not cripple? could we not cripple? could you not cripple? could they not cripple?
V-ing form
could I not be crippling? could you not be crippling? could she not be crippling? could we not be crippling? could you not be crippling? could they not be crippling?
Perfect
could I not have crippled? could you not have crippled? could she not have crippled? could we not have crippled? could you not have crippled? could they not have crippled?
V-ing perfect
could I not have been crippling? could you not have been crippling? could she not have been crippling? could we not have been crippling? could you not have been crippling? could they not have been crippling?