Indicative
Present Indefinite
I screw on
you screw on
he/she/it screws on
we screw on
you screw on
they screw on
Present Continuous
I am screwing on
you are screwing on
he/she/it is screwing on
we are screwing on
you are screwing on
they are screwing on
Present Perfect
I have screwed on
you have screwed on
he/she/it has screwed on
we have screwed on
you have screwed on
they have screwed on
Present Perfect Continuous
I have been screwing on
you have been screwing on
he/she/it has been screwing on
we have been screwing on
you have been screwing on
they have been screwing on
Past Indefinite
I screwed on
you screwed on
he/she/it screwed on
we screwed on
you screwed on
they screwed on
Past Continuous
I was screwing on
you were screwing on
he/she/it was screwing on
we were screwing on
you were screwing on
they were screwing on
Past Perfect
I had screwed on
you had screwed on
he/she/it had screwed on
we had screwed on
you had screwed on
they had screwed on
Past Perfect Continuous
I had been screwing on
you had been screwing on
he/she/it had been screwing on
we had been screwing on
you had been screwing on
they had been screwing on
Future Indefinite
I will screw on
you will screw on
he/she/it will screw on
we will screw on
you will screw on
they will screw on
Future Continuous
I will be screwing on
you will be screwing on
he/she/it will be screwing on
we will be screwing on
you will be screwing on
they will be screwing on
Future Perfect
I will have screwed on
you will have screwed on
he/she/it will have screwed on
we will have screwed on
you will have screwed on
they will have screwed on
Future Perfect Continuous
I will have been screwing on
you will have been screwing on
he/she/it will have been screwing on
we will have been screwing on
you will have been screwing on
they will have been screwing on
Conditional
Conditional Present
I would screw on
you would screw on
he/she/it would screw on
we would screw on
you would screw on
they would screw on
Conditional Present Continuous
I would be screwing on
you would be screwing on
he/she/it would be screwing on
we would be screwing on
you would be screwing on
they would be screwing on
Conditional Perfect
I would have screwed on
you would have screwed on
he/she/it would have screwed on
we would have screwed on
you would have screwed on
they would have screwed on
Conditional Perfect Continuous
I would have been screwing on
you would have been screwing on
he/she/it would have been screwing on
we would have been screwing on
you would have been screwing on
they would have been screwing on