to fail
Verbo regular: fail - failed- failed

Indicativo 	
Presente 	Presente contínuo 	Pretérito 	Preterito contínuo 	
I do not fail
you do not fail
she doesnot fail
we do not fail
you do not fail
they do not fail 	Iamnot failing
youarenot failing
sheisnot failing
wearenot failing
youarenot failing
theyarenot failing	I did not fail
you did not fail
she did not fail
we did not fail
you did not fail
they did not fail 	Iwasnot failing
youwerenot failing
shewasnot failing
wewerenot failing
youwerenot failing
theywerenot failing	
Presente perfeito 	Presente perfeito contínuo 	Mais perfeito 	Contínuo mais perfeito 	
I have not failed
you have not failed
shehasnot failed
we have not failed
you have not failed
they have not failed	I have not  been failing
you have not  been failing
shehasnot  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
she 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
she had not been failing
we had not been failing
you had not been failing
they had not been failing	
Futuro 	Futuro contínuo 	futuro perfeito 	futuro perfeito contínuo 	
I will not fail
you will not fail
she 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
she 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
she 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
she will not have been failing
we will not have been failing
you will not have been failing
they will not have been failing	

Condicional 	
Presente 	Presente contínuo 	Passado 	Passado contínuo 	
I would not fail
you would not fail
she 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
she 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
she 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
she would not have been failing
we would not have been failing
you would not have been failing
they would not have been failing	

Infinitivo 	
Imperativo 	
Infinitivo 	 	Imperativo 	 	
to fail 	 	do not fail
Let's not fail
do not fail 	 	

Particípio 	
Presente 	Passado 	 	 	
failing	failed