to toughen
Regular verb: toughen - toughened- toughened

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

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
wouldn't I toughen?
wouldn't you toughen?
wouldn't she toughen?
wouldn't we toughen?
wouldn't you toughen?
wouldn't they toughen? 	wouldn't I be toughening?
wouldn't you be toughening?
wouldn't she be toughening?
wouldn't we be toughening?
wouldn't you be toughening?
wouldn't they be toughening? 	wouldn't I have toughened?
wouldn't you have toughened?
wouldn't she have toughened?
wouldn't we have toughened?
wouldn't you have toughened?
wouldn't they have toughened? 	wouldn't I have been toughening?
wouldn't you have been toughening?
wouldn't she have been toughening?
wouldn't we have been toughening?
wouldn't you have been toughening?
wouldn't they have been toughening? 	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to toughen 	 	-
-
- 	 	

Participle 	
Present 	Past 	 	 	
toughening	toughened