I crack you crack he cracks we crack you crack they crack
Present continuous
I am cracking you are cracking he is cracking we are cracking you are cracking they are cracking
Preterite
I cracked you cracked he cracked we cracked you cracked they cracked
Preterite continuous
I was cracking you were cracking he was cracking we were cracking you were cracking they were cracking
Present perfect
I have cracked you have cracked he has cracked we have cracked you have cracked they have cracked
Present perfect continuous
I have been cracking you have been cracking he has been cracking we have been cracking you have been cracking they have been cracking
Pluperfect
I had cracked you had cracked he had cracked we had cracked you had cracked they had cracked
Pluperfect continuous
I had been cracking you had been cracking he had been cracking we had been cracking you had been cracking they had been cracking
Future
I will crack you will crack he will crack we will crack you will crack they will crack
Future continuous
I will be cracking you will be cracking he will be cracking we will be cracking you will be cracking they will be cracking
Future perfect
I will have cracked you will have cracked he will have cracked we will have cracked you will have cracked they will have cracked
Future perfect continuous
I will have been cracking you will have been cracking he will have been cracking we will have been cracking you will have been cracking they will have been cracking
Conditional
Present
I would crack you would crack he would crack we would crack you would crack they would crack
Present continuous
I would be cracking you would be cracking he would be cracking we would be cracking you would be cracking they would be cracking
Past
I would have cracked you would have cracked he would have cracked we would have cracked you would have cracked they would have cracked
Past continuous
I would have been cracking you would have been cracking he would have been cracking we would have been cracking you would have been cracking they would have been cracking