Regular verb: crack - cracked - cracked
Simple form | V-ing form |
I can crack you can crack she can crack we can crack you can crack they can crack | I can be cracking you can be cracking she can be cracking we can be cracking you can be cracking they can be cracking |
Perfect | V-ing perfect |
I can have cracked you can have cracked she can have cracked we can have cracked you can have cracked they can have cracked | I can have been cracking you can have been cracking she can have been cracking we can have been cracking you can have been cracking they can have been cracking |
Simple form | V-ing form |
I cannot crack you cannot crack she cannot crack we cannot crack you cannot crack they cannot crack | I cannot be cracking you cannot be cracking she cannot be cracking we cannot be cracking you cannot be cracking they cannot be cracking |
Perfect | V-ing perfect |
I cannot have cracked you cannot have cracked she cannot have cracked we cannot have cracked you cannot have cracked they cannot have cracked | I cannot have been cracking you cannot have been cracking she cannot have been cracking we cannot have been cracking you cannot have been cracking they cannot have been cracking |
Simple form | V-ing form |
can I crack? can you crack? can she crack? can we crack? can you crack? can they crack? | can I be cracking? can you be cracking? can she be cracking? can we be cracking? can you be cracking? can they be cracking? |
Perfect | V-ing perfect |
can I have cracked? can you have cracked? can she have cracked? can we have cracked? can you have cracked? can they have cracked? | can I have been cracking? can you have been cracking? can she have been cracking? can we have been cracking? can you have been cracking? can they have been cracking? |
Simple form | V-ing form |
can I not crack? can you not crack? can she not crack? can we not crack? can you not crack? can they not crack? | can I not be cracking? can you not be cracking? can she not be cracking? can we not be cracking? can you not be cracking? can they not be cracking? |
Perfect | V-ing perfect |
can I not have cracked? can you not have cracked? can she not have cracked? can we not have cracked? can you not have cracked? can they not have cracked? | can I not have been cracking? can you not have been cracking? can she not have been cracking? can we not have been cracking? can you not have been cracking? can they not have been cracking? |