to alter
Verbo regular: alter - altered- altered

Indicativo 	
Presente 	Presente continuo 	Pretérito 	Pretérito continuo 	
I don't alter
you don't alter
she doesn't alter
we don't alter
you don't alter
they don't alter 	I'mnot altering
youaren't altering
sheisn't altering
wearen't altering
youaren't altering
theyaren't altering	I didn't alter
you didn't alter
she didn't alter
we didn't alter
you didn't alter
they didn't alter 	Iwasn't altering
youweren't altering
shewasn't altering
weweren't altering
youweren't altering
theyweren't altering	
Presente perfecto 	Presente perfecto continuo 	Pluscuamperfecto 	Pluscuamperfecto continuo 	
I haven't altered
you haven't altered
she hasn't altered
we haven't altered
you haven't altered
they haven't altered	I haven't  been altering
you haven't  been altering
she hasn't  been altering
we haven't  been altering
you haven't  been altering
they haven't  been altering	I hadn't altered
you hadn't altered
she hadn't altered
we hadn't altered
you hadn't altered
they hadn't altered	I hadn't been altering
you hadn't been altering
she hadn't been altering
we hadn't been altering
you hadn't been altering
they hadn't been altering	
Futuro simple 	Futuro continuo 	Futuro perfecto 	Futuro perfecto contínuo 	
I won't alter
you won't alter
she won't alter
we won't alter
you won't alter
they won't alter 	I won't be altering
you won't be altering
she won't be altering
we won't be altering
you won't be altering
they won't be altering	I won't have altered
you won't have altered
she won't have altered
we won't have altered
you won't have altered
they won't have altered	I won't have been altering
you won't have been altering
she won't have been altering
we won't have been altering
you won't have been altering
they won't have been altering	

Condicional 	
Presente 	Presente continuo 	Passado 	Passado continuo 	
I wouldn't alter
you wouldn't alter
she wouldn't alter
we wouldn't alter
you wouldn't alter
they wouldn't alter 	I wouldn't be altering
you wouldn't be altering
she wouldn't be altering
we wouldn't be altering
you wouldn't be altering
they wouldn't be altering	I wouldn't have altered
you wouldn't have altered
she wouldn't have altered
we wouldn't have altered
you wouldn't have altered
they wouldn't have altered	I wouldn't have been altering
you wouldn't have been altering
she wouldn't have been altering
we wouldn't have been altering
you wouldn't have been altering
they wouldn't have been altering	

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

Participio 	
Presente 	Passado 	 	 	
altering	altered