Regular verb: harden - hardened - hardened
Simple form | V-ing form |
I can harden you can harden she can harden we can harden you can harden they can harden | I can be hardening you can be hardening she can be hardening we can be hardening you can be hardening they can be hardening |
Perfect | V-ing perfect |
I can have hardened you can have hardened she can have hardened we can have hardened you can have hardened they can have hardened | I can have been hardening you can have been hardening she can have been hardening we can have been hardening you can have been hardening they can have been hardening |
Simple form | V-ing form |
I cannot harden you cannot harden she cannot harden we cannot harden you cannot harden they cannot harden | I cannot be hardening you cannot be hardening she cannot be hardening we cannot be hardening you cannot be hardening they cannot be hardening |
Perfect | V-ing perfect |
I cannot have hardened you cannot have hardened she cannot have hardened we cannot have hardened you cannot have hardened they cannot have hardened | I cannot have been hardening you cannot have been hardening she cannot have been hardening we cannot have been hardening you cannot have been hardening they cannot have been hardening |
Simple form | V-ing form |
can I harden? can you harden? can she harden? can we harden? can you harden? can they harden? | can I be hardening? can you be hardening? can she be hardening? can we be hardening? can you be hardening? can they be hardening? |
Perfect | V-ing perfect |
can I have hardened? can you have hardened? can she have hardened? can we have hardened? can you have hardened? can they have hardened? | can I have been hardening? can you have been hardening? can she have been hardening? can we have been hardening? can you have been hardening? can they have been hardening? |
Simple form | V-ing form |
can I not harden? can you not harden? can she not harden? can we not harden? can you not harden? can they not harden? | can I not be hardening? can you not be hardening? can she not be hardening? can we not be hardening? can you not be hardening? can they not be hardening? |
Perfect | V-ing perfect |
can I not have hardened? can you not have hardened? can she not have hardened? can we not have hardened? can you not have hardened? can they not have hardened? | can I not have been hardening? can you not have been hardening? can she not have been hardening? can we not have been hardening? can you not have been hardening? can they not have been hardening? |