to fail
Regular verb: fail - failed- failed

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I do not fail
you do not fail
he doesnot fail
we do not fail
you do not fail
they do not fail 	Iamnot failing
youarenot failing
heisnot failing
wearenot failing
youarenot failing
theyarenot failing	I did not fail
you did not fail
he did not fail
we did not fail
you did not fail
they did not fail 	Iwasnot failing
youwerenot failing
hewasnot failing
wewerenot failing
youwerenot failing
theywerenot failing	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I have not failed
you have not failed
hehasnot failed
we have not failed
you have not failed
they have not failed	I have not  been failing
you have not  been failing
hehasnot  been failing
we have not  been failing
you have not  been failing
they have not  been failing	I had not failed
you had not failed
he had not failed
we had not failed
you had not failed
they had not failed	I had not been failing
you had not been failing
he had not been failing
we had not been failing
you had not been failing
they had not been failing	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I will not fail
you will not fail
he will not fail
we will not fail
you will not fail
they will not fail 	I will not be failing
you will not be failing
he will not be failing
we will not be failing
you will not be failing
they will not be failing	I will not have failed
you will not have failed
he will not have failed
we will not have failed
you will not have failed
they will not have failed	I will not have been failing
you will not have been failing
he will not have been failing
we will not have been failing
you will not have been failing
they will not have been failing	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I would not fail
you would not fail
he would not fail
we would not fail
you would not fail
they would not fail 	I would not be failing
you would not be failing
he would not be failing
we would not be failing
you would not be failing
they would not be failing	I would not have failed
you would not have failed
he would not have failed
we would not have failed
you would not have failed
they would not have failed	I would not have been failing
you would not have been failing
he would not have been failing
we would not have been failing
you would not have been failing
they would not have been failing	

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

Participle 	
Present 	Past 	 	 	
failing	failed