I leaven you leaven he leavens we leaven you leaven they leaven
Present continuous
I am leavening you are leavening he is leavening we are leavening you are leavening they are leavening
Preterite
I leavened you leavened he leavened we leavened you leavened they leavened
Preterite continuous
I was leavening you were leavening he was leavening we were leavening you were leavening they were leavening
Present perfect
I have leavened you have leavened he has leavened we have leavened you have leavened they have leavened
Present perfect continuous
I have been leavening you have been leavening he has been leavening we have been leavening you have been leavening they have been leavening
Pluperfect
I had leavened you had leavened he had leavened we had leavened you had leavened they had leavened
Pluperfect continuous
I had been leavening you had been leavening he had been leavening we had been leavening you had been leavening they had been leavening
Future
I will leaven you will leaven he will leaven we will leaven you will leaven they will leaven
Future continuous
I will be leavening you will be leavening he will be leavening we will be leavening you will be leavening they will be leavening
Future perfect
I will have leavened you will have leavened he will have leavened we will have leavened you will have leavened they will have leavened
Future perfect continuous
I will have been leavening you will have been leavening he will have been leavening we will have been leavening you will have been leavening they will have been leavening
Conditional
Present
I would leaven you would leaven he would leaven we would leaven you would leaven they would leaven
Present continuous
I would be leavening you would be leavening he would be leavening we would be leavening you would be leavening they would be leavening
Past
I would have leavened you would have leavened he would have leavened we would have leavened you would have leavened they would have leavened
Past continuous
I would have been leavening you would have been leavening he would have been leavening we would have been leavening you would have been leavening they would have been leavening