to fail
Regular verb: fail - failed- failed

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I fail
you fail
he fails
we fail
you fail
they fail 	Iamfailing
youarefailing
heisfailing
wearefailing
youarefailing
theyarefailing	I failed
you failed
he failed
we failed
you failed
they failed	Iwasfailing
youwerefailing
hewasfailing
wewerefailing
youwerefailing
theywerefailing	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I have failed
you have failed
he has failed
we have failed
you have failed
they have failed	I have been failing
you have been failing
hehasbeen failing
we have been failing
you have been failing
they have been failing	I had failed
you had failed
he had failed
we had failed
you had failed
they had failed	I had been failing
you had been failing
he had been failing
we had been failing
you had been failing
they had been failing	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I will fail
you will fail
he will fail
we will fail
you will fail
they will fail 	I will be failing
you will be failing
he will be failing
we will be failing
you will be failing
they will be failing	I will have failed
you will have failed
he will have failed
we will have failed
you will have failed
they will have failed	I will have been failing
you will have been failing
he will have been failing
we will have been failing
you will have been failing
they will have been failing	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I would fail
you would fail
he would fail
we would fail
you would fail
they would fail 	I would be failing
you would be failing
he would be failing
we would be failing
you would be failing
they would be failing	I would have failed
you would have failed
he would have failed
we would have failed
you would have failed
they would have failed	I would have been failing
you would have been failing
he would have been failing
we would have been failing
you would have been failing
they would have been failing	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to fail 	 	fail
Let's fail
fail 	 	

Participle 	
Present 	Past 	 	 	
failing	failed