to alter
Regular verb: alter - altered- altered

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
 don't I alter?
don't you alter?
doesn't she alter?
don't we alter?
don't you alter?
don't they alter? 	amI not altering?
aren't you altering?
isn't she altering?
aren't we altering?
aren't you altering?
aren't they altering? 	didn't I alter?
didn't you alter?
didn't she alter?
didn't we alter?
didn't you alter?
didn't they alter? 	wasn't I altering?
weren't you altering?
wasn't she altering?
weren't we altering?
weren't you altering?
weren't they altering? 	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
haven't I altered?
haven't you altered?
hasn't she altered?
haven't we altered?
haven't you altered?
haven't they altered? 	haven't I been altering?
haven't you been altering?
hasn't she been altering?
haven't we been altering?
haven't you been altering?
haven't they been altering? 	hadn't I altered?
hadn't you altered?
hadn't she altered?
hadn't we altered?
hadn't you altered?
hadn't they altered? 	hadn't I been altering?
hadn't you been altering?
hadn't she been altering?
hadn't we been altering?
hadn't you been altering?
hadn't they been altering? 	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
won't I alter?
won't you alter?
won't she alter?
won't we alter?
won't you alter?
won't they alter? 	won't I be altering?
won't you be altering?
won't she be altering?
won't we be altering?
won't you be altering?
won't they be altering? 	won't I have altered?
won't you have altered?
won't she have altered?
won't we have altered?
won't you have altered?
won't they have altered? 	won't I have been altering?
won't you have been altering?
won't she have been altering?
won't we have been altering?
won't you have been altering?
won't they have been altering? 	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
wouldn't I alter?
wouldn't you alter?
wouldn't she alter?
wouldn't we alter?
wouldn't you alter?
wouldn't they alter? 	wouldn't I be altering?
wouldn't you be altering?
wouldn't she be altering?
wouldn't we be altering?
wouldn't you be altering?
wouldn't they be altering? 	wouldn't I have altered?
wouldn't you have altered?
wouldn't she have altered?
wouldn't we have altered?
wouldn't you have altered?
wouldn't they have altered? 	wouldn't I have been altering?
wouldn't you have been altering?
wouldn't she have been altering?
wouldn't we have been altering?
wouldn't you have been altering?
wouldn't they have been altering? 	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to alter 	 	-
-
- 	 	

Participle 	
Present 	Past 	 	 	
altering	altered