Regular verb: stack - stacked - stacked
Present | Present continuous | Preterite | Preterite continuous |
I stack you stack she stacks we stack you stack they stack | I am stacking you are stacking she is stacking we are stacking you are stacking they are stacking | I stacked you stacked she stacked we stacked you stacked they stacked | I was stacking you were stacking she was stacking we were stacking you were stacking they were stacking |
Present perfect | Present perfect continuous | Pluperfect | Pluperfect continuous |
I have stacked you have stacked she has stacked we have stacked you have stacked they have stacked | I have been stacking you have been stacking she has been stacking we have been stacking you have been stacking they have been stacking | I had stacked you had stacked she had stacked we had stacked you had stacked they had stacked | I had been stacking you had been stacking she had been stacking we had been stacking you had been stacking they had been stacking |
Future | Future continuous | Future perfect | Future perfect continuous |
I will stack you will stack she will stack we will stack you will stack they will stack | I will be stacking you will be stacking she will be stacking we will be stacking you will be stacking they will be stacking | I will have stacked you will have stacked she will have stacked we will have stacked you will have stacked they will have stacked | I will have been stacking you will have been stacking she will have been stacking we will have been stacking you will have been stacking they will have been stacking |
Present | Present continuous | Past | Past continuous |
I would stack you would stack she would stack we would stack you would stack they would stack | I would be stacking you would be stacking she would be stacking we would be stacking you would be stacking they would be stacking | I would have stacked you would have stacked she would have stacked we would have stacked you would have stacked they would have stacked | I would have been stacking you would have been stacking she would have been stacking we would have been stacking you would have been stacking they would have been stacking |
Infinitive | Imperative |
Infinitive | Imperative | ||
to stack | stack Let's stack stack |
Present | Past | ||
stacking | stacked |