I can cripple you can cripple he can cripple we can cripple you can cripple they can cripple
V-ing form
I can be crippling you can be crippling he can be crippling we can be crippling you can be crippling they can be crippling
Perfect
I can have crippled you can have crippled he can have crippled we can have crippled you can have crippled they can have crippled
V-ing perfect
I can have been crippling you can have been crippling he can have been crippling we can have been crippling you can have been crippling they can have been crippling
Negation
Simple form
I can't cripple you can't cripple he can't cripple we can't cripple you can't cripple they can't cripple
V-ing form
I can't be crippling you can't be crippling he can't be crippling we can't be crippling you can't be crippling they can't be crippling
Perfect
I can't have crippled you can't have crippled he can't have crippled we can't have crippled you can't have crippled they can't have crippled
V-ing perfect
I can't have been crippling you can't have been crippling he can't have been crippling we can't have been crippling you can't have been crippling they can't have been crippling
Interrogative form
Simple form
can I cripple? can you cripple? can he cripple? can we cripple? can you cripple? can they cripple?
V-ing form
can I be crippling? can you be crippling? can he be crippling? can we be crippling? can you be crippling? can they be crippling?
Perfect
can I have crippled? can you have crippled? can he have crippled? can we have crippled? can you have crippled? can they have crippled?
V-ing perfect
can I have been crippling? can you have been crippling? can he have been crippling? can we have been crippling? can you have been crippling? can they have been crippling?
Interro-negative form
Simple form
can't I cripple? can't you cripple? can't he cripple? can't we cripple? can't you cripple? can't they cripple?
V-ing form
can't I be crippling? can't you be crippling? can't he be crippling? can't we be crippling? can't you be crippling? can't they be crippling?
Perfect
can't I have crippled? can't you have crippled? can't he have crippled? can't we have crippled? can't you have crippled? can't they have crippled?
V-ing perfect
can't I have been crippling? can't you have been crippling? can't he have been crippling? can't we have been crippling? can't you have been crippling? can't they have been crippling?