| Simple | Progressive | Perfect | Progressive |
Present |
I happen |
you happen |
he/she/it happens |
we happen |
you all happen |
they happen |
|
I am happening |
you are happening |
he/she/it is happening |
we are happening |
you all are happening |
they are happening |
|
I have happened |
you have happened |
he/she/it has happened |
we have happened |
you all have happened |
they have happened |
|
I have been happening |
you have been happening |
he/she/it has been happening |
we have been happening |
you all have been happening |
they have been happening |
|
Past |
I happened |
you happened |
he/she/it happened |
we happened |
you all happened |
they happened |
|
I was happening |
you were happening |
he/she/it was happening |
we were happening |
you all were happening |
they were happening |
|
I had happened |
you had happened |
he/she/it had happened |
we had happened |
you all had happened |
they had happened |
|
I had been happening |
you had been happening |
he/she/it had been happening |
we had been happening |
you all had been happening |
they had been happening |
|
Future |
I will happen |
you will happen |
he/she/it will happen |
we will happen |
you all will happen |
they will happen |
|
I will be happening |
you will be happening |
he/she/it will be happening |
we are happening |
you all will be happening |
they will be happening |
|
I will have happened |
you will have happened |
he/she/it will have happened |
we will have happened |
you all will have happened |
they will have happened |
|
I will have been happening |
you will have been happening |
he/she/it will have been happening |
we will have been happening |
you all will have been happening |
they will have been happening |
|