to alter
Regular verb: alter - altered- altered

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
 do I not alter?
do you not alter?
doesshe not alter?
do we not alter?
do you not alter?
do they not alter? 	amI not altering?
areyou not altering?
isshe not altering?
arewe not altering?
areyou not altering?
arethey not altering? 	did I not alter?
did you not alter?
did she not alter?
did we not alter?
did you not alter?
did they not alter? 	wasI not altering?
wereyou not altering?
wasshe not altering?
werewe not altering?
wereyou not altering?
werethey not altering? 	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
 have I not altered?
have you not altered?
hasshe not altered?
have we not altered?
have you not altered?
have they not altered? 	 have I not been altering?
have you not been altering?
hasshe not been altering?
have we not been altering?
have you not been altering?
have they not been altering? 	had I not altered?
had you not altered?
had she not altered?
had we not altered?
had you not altered?
had they not altered? 	had I not been altering?
had you not been altering?
had she not been altering?
had we not been altering?
had you not been altering?
had they not been altering? 	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
will I not alter?
will you not alter?
will she not alter?
will we not alter?
will you not alter?
will they not alter? 	will I not be altering?
will you not be altering?
will she not be altering?
will we not be altering?
will you not be altering?
will they not be altering? 	will I not have altered?
will you not have altered?
will she not have altered?
will we not have altered?
will you not have altered?
will they not have altered? 	will I not have been altering?
will you not have been altering?
will she not have been altering?
will we not have been altering?
will you not have been altering?
will they not have been altering? 	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
would I not alter?
would you not alter?
would she not alter?
would we not alter?
would you not alter?
would they not alter? 	would I not be altering?
would you not be altering?
would she not be altering?
would we not be altering?
would you not be altering?
would they not be altering? 	would I not have altered?
would you not have altered?
would she not have altered?
would we not have altered?
would you not have altered?
would they not have altered? 	would I not have been altering?
would you not have been altering?
would she not have been altering?
would we not have been altering?
would you not have been altering?
would they not have been altering? 	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to alter 	 	-
-
- 	 	

Participle 	
Present 	Past 	 	 	
altering	altered