to tighten
Regular verb: tighten - tightened- tightened

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

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
wouldn't I tighten?
wouldn't you tighten?
wouldn't she tighten?
wouldn't we tighten?
wouldn't you tighten?
wouldn't they tighten? 	wouldn't I be tightening?
wouldn't you be tightening?
wouldn't she be tightening?
wouldn't we be tightening?
wouldn't you be tightening?
wouldn't they be tightening? 	wouldn't I have tightened?
wouldn't you have tightened?
wouldn't she have tightened?
wouldn't we have tightened?
wouldn't you have tightened?
wouldn't they have tightened? 	wouldn't I have been tightening?
wouldn't you have been tightening?
wouldn't she have been tightening?
wouldn't we have been tightening?
wouldn't you have been tightening?
wouldn't they have been tightening? 	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to tighten 	 	-
-
- 	 	

Participle 	
Present 	Past 	 	 	
tightening	tightened