Free conjugation exercises for English language learners

stack

Regular

Change speaker

You're listening to Joanna
She has an American accent and expects you to use American spelling.

Simple

Continuous

Perfect

Perfect continuous

Past

I stacked
you stacked
he/she/it stacked
we stacked
you stacked
they stacked

Present

I stack
you stack
he/she/it stacks
we stack
you stack
they stack

Future

I will stack
you will stack
he/she/it will stack
we will stack
you will stack
they will stack

Past

I was stacking
you were stacking
he/she/it was stacking
we were stacking
you were stacking
they were stacking

Present

I am stacking
you are stacking
he/she/it is stacking
we are stacking
you are stacking
they are stacking

Future

I will be stacking
you will be stacking
he/she/it will be stacking
we will be stacking
you will be stacking
they will be stacking

Past

I had stacked
you had stacked
he/she/it had stacked
we had stacked
you had stacked
they had stacked

Present

I have stacked
you have stacked
he/she/it has stacked
we have stacked
you have stacked
they have stacked

Future

I will have stacked
you will have stacked
he/she/it will have stacked
we will have stacked
you will have stacked
they will have stacked

Past

I had been stacking
you had been stacking
he/she/it had been stacking
we had been stacking
you had been stacking
they had been stacking

Present

I have been stacking
you have been stacking
he/she/it has been stacking
we have been stacking
you have been stacking
they have been stacking

Future

I will have been stacking
you will have been stacking
he/she/it will have been stacking
we will have been stacking
you will have been stacking
they will have been stacking

{"verb":"stack","type":"Regular","conjugation":{"Simple":{"Past":["I stacked","you stacked","he\/she\/it stacked","we stacked","you stacked","they stacked"],"Present":["I stack","you stack","he\/she\/it stacks","we stack","you stack","they stack"],"Future":["I will stack","you will stack","he\/she\/it will stack","we will stack","you will stack","they will stack"]},"Continuous":{"Past":["I was stacking","you were stacking","he\/she\/it was stacking","we were stacking","you were stacking","they were stacking"],"Present":["I am stacking","you are stacking","he\/she\/it is stacking","we are stacking","you are stacking","they are stacking"],"Future":["I will be stacking","you will be stacking","he\/she\/it will be stacking","we will be stacking","you will be stacking","they will be stacking"]},"Perfect":{"Past":["I had stacked","you had stacked","he\/she\/it had stacked","we had stacked","you had stacked","they had stacked"],"Present":["I have stacked","you have stacked","he\/she\/it has stacked","we have stacked","you have stacked","they have stacked"],"Future":["I will have stacked","you will have stacked","he\/she\/it will have stacked","we will have stacked","you will have stacked","they will have stacked"]},"Perfect continuous":{"Past":["I had been stacking","you had been stacking","he\/she\/it had been stacking","we had been stacking","you had been stacking","they had been stacking"],"Present":["I have been stacking","you have been stacking","he\/she\/it has been stacking","we have been stacking","you have been stacking","they have been stacking"],"Future":["I will have been stacking","you will have been stacking","he\/she\/it will have been stacking","we will have been stacking","you will have been stacking","they will have been stacking"]}}}