to alter
Verbo regular: alter - altered- altered

Indicativo 	
Presente 	Presente contínuo 	Pretérito 	Preterito contínuo 	
I alter
you alter
she alters
we alter
you alter
they alter 	I'maltering
you'realtering
she'saltering
we'realtering
you'realtering
they'realtering	I altered
you altered
she altered
we altered
you altered
they altered	Iwasaltering
youwerealtering
shewasaltering
wewerealtering
youwerealtering
theywerealtering	
Presente perfeito 	Presente perfeito contínuo 	Mais perfeito 	Contínuo mais perfeito 	
I've altered
you've altered
she's altered
we've altered
you've altered
they've altered	I'vebeen altering
you'vebeen altering
she'sbeen altering
we'vebeen altering
you'vebeen altering
they'vebeen altering	I'd altered
you'd altered
she'd altered
we'd altered
you'd altered
they'd altered	I'd been altering
you'd been altering
she'd been altering
we'd been altering
you'd been altering
they'd been altering	
Futuro 	Futuro contínuo 	futuro perfeito 	futuro perfeito contínuo 	
I'll alter
you'll alter
she'll alter
we'll alter
you'll alter
they'll alter 	I'll be altering
you'll be altering
she'll be altering
we'll be altering
you'll be altering
they'll be altering	I'll have altered
you'll have altered
she'll have altered
we'll have altered
you'll have altered
they'll have altered	I'll have been altering
you'll have been altering
she'll have been altering
we'll have been altering
you'll have been altering
they'll have been altering	

Condicional 	
Presente 	Presente contínuo 	Passado 	Passado contínuo 	
I'd alter
you'd alter
she'd alter
we'd alter
you'd alter
they'd alter 	I'd be altering
you'd be altering
she'd be altering
we'd be altering
you'd be altering
they'd be altering	I'd have altered
you'd have altered
she'd have altered
we'd have altered
you'd have altered
they'd have altered	I'd have been altering
you'd have been altering
she'd have been altering
we'd have been altering
you'd have been altering
they'd have been altering	

Infinitivo 	
Imperativo 	
Infinitivo 	 	Imperativo 	 	
to alter 	 	alter
Let's alter
alter 	 	

Particípio 	
Presente 	Passado 	 	 	
altering	altered