to prevent
Regular verb: prevent - prevented- prevented

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I don't prevent
you don't prevent
he doesn't prevent
we don't prevent
you don't prevent
they don't prevent 	I'mnot preventing
youaren't preventing
heisn't preventing
wearen't preventing
youaren't preventing
theyaren't preventing	I didn't prevent
you didn't prevent
he didn't prevent
we didn't prevent
you didn't prevent
they didn't prevent 	Iwasn't preventing
youweren't preventing
hewasn't preventing
weweren't preventing
youweren't preventing
theyweren't preventing	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I haven't prevented
you haven't prevented
he hasn't prevented
we haven't prevented
you haven't prevented
they haven't prevented	I haven't  been preventing
you haven't  been preventing
he hasn't  been preventing
we haven't  been preventing
you haven't  been preventing
they haven't  been preventing	I hadn't prevented
you hadn't prevented
he hadn't prevented
we hadn't prevented
you hadn't prevented
they hadn't prevented	I hadn't been preventing
you hadn't been preventing
he hadn't been preventing
we hadn't been preventing
you hadn't been preventing
they hadn't been preventing	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I won't prevent
you won't prevent
he won't prevent
we won't prevent
you won't prevent
they won't prevent 	I won't be preventing
you won't be preventing
he won't be preventing
we won't be preventing
you won't be preventing
they won't be preventing	I won't have prevented
you won't have prevented
he won't have prevented
we won't have prevented
you won't have prevented
they won't have prevented	I won't have been preventing
you won't have been preventing
he won't have been preventing
we won't have been preventing
you won't have been preventing
they won't have been preventing	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I wouldn't prevent
you wouldn't prevent
he wouldn't prevent
we wouldn't prevent
you wouldn't prevent
they wouldn't prevent 	I wouldn't be preventing
you wouldn't be preventing
he wouldn't be preventing
we wouldn't be preventing
you wouldn't be preventing
they wouldn't be preventing	I wouldn't have prevented
you wouldn't have prevented
he wouldn't have prevented
we wouldn't have prevented
you wouldn't have prevented
they wouldn't have prevented	I wouldn't have been preventing
you wouldn't have been preventing
he wouldn't have been preventing
we wouldn't have been preventing
you wouldn't have been preventing
they wouldn't have been preventing	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to prevent 	 	do not prevent
Let's not prevent
do not prevent 	 	

Participle 	
Present 	Past 	 	 	
preventing	prevented