Indicative
Present Indefinite
I prevent
you prevent
he/she/it prevents
we prevent
you prevent
they prevent
Present Continuous
I am preventing
you are preventing
he/she/it is preventing
we are preventing
you are preventing
they are preventing
Present Perfect
I have prevented
you have prevented
he/she/it has prevented
we have prevented
you have prevented
they have prevented
Present Perfect Continuous
I have been preventing
you have been preventing
he/she/it has been preventing
we have been preventing
you have been preventing
they have been preventing
Past Indefinite
I prevented
you prevented
he/she/it prevented
we prevented
you prevented
they prevented
Past Continuous
I was preventing
you were preventing
he/she/it was preventing
we were preventing
you were preventing
they were preventing
Past Perfect
I had prevented
you had prevented
he/she/it had prevented
we had prevented
you had prevented
they had prevented
Past Perfect Continuous
I had been preventing
you had been preventing
he/she/it had been preventing
we had been preventing
you had been preventing
they had been preventing
Future Indefinite
I will prevent
you will prevent
he/she/it will prevent
we will prevent
you will prevent
they will prevent
Future Continuous
I will be preventing
you will be preventing
he/she/it will be preventing
we will be preventing
you will be preventing
they will be preventing
Future Perfect
I will have prevented
you will have prevented
he/she/it will have prevented
we will have prevented
you will have prevented
they will have prevented
Future Perfect Continuous
I will have been preventing
you will have been preventing
he/she/it will have been preventing
we will have been preventing
you will have been preventing
they will have been preventing
Conditional
Conditional Present
I would prevent
you would prevent
he/she/it would prevent
we would prevent
you would prevent
they would prevent
Conditional Present Continuous
I would be preventing
you would be preventing
he/she/it would be preventing
we would be preventing
you would be preventing
they would be preventing
Conditional Perfect
I would have prevented
you would have prevented
he/she/it would have prevented
we would have prevented
you would have prevented
they would have prevented
Conditional Perfect Continuous
I would have been preventing
you would have been preventing
he/she/it would have been preventing
we would have been preventing
you would have been preventing
they would have been preventing