to tighten
Verbo regular: tighten - tightened- tightened

Indicativo 	
Presente 	Presente contínuo 	Pretérito 	Preterito contínuo 	
I tighten
you tighten
she tightens
we tighten
you tighten
they tighten 	I'mtightening
you'retightening
she'stightening
we'retightening
you'retightening
they'retightening	I tightened
you tightened
she tightened
we tightened
you tightened
they tightened	Iwastightening
youweretightening
shewastightening
weweretightening
youweretightening
theyweretightening	
Presente perfeito 	Presente perfeito contínuo 	Mais perfeito 	Contínuo mais perfeito 	
I've tightened
you've tightened
she's tightened
we've tightened
you've tightened
they've tightened	I'vebeen tightening
you'vebeen tightening
she'sbeen tightening
we'vebeen tightening
you'vebeen tightening
they'vebeen tightening	I'd tightened
you'd tightened
she'd tightened
we'd tightened
you'd tightened
they'd tightened	I'd been tightening
you'd been tightening
she'd been tightening
we'd been tightening
you'd been tightening
they'd been tightening	
Futuro 	Futuro contínuo 	futuro perfeito 	futuro perfeito contínuo 	
I'll tighten
you'll tighten
she'll tighten
we'll tighten
you'll tighten
they'll tighten 	I'll be tightening
you'll be tightening
she'll be tightening
we'll be tightening
you'll be tightening
they'll be tightening	I'll have tightened
you'll have tightened
she'll have tightened
we'll have tightened
you'll have tightened
they'll have tightened	I'll have been tightening
you'll have been tightening
she'll have been tightening
we'll have been tightening
you'll have been tightening
they'll have been tightening	

Condicional 	
Presente 	Presente contínuo 	Passado 	Passado contínuo 	
I'd tighten
you'd tighten
she'd tighten
we'd tighten
you'd tighten
they'd tighten 	I'd be tightening
you'd be tightening
she'd be tightening
we'd be tightening
you'd be tightening
they'd be tightening	I'd have tightened
you'd have tightened
she'd have tightened
we'd have tightened
you'd have tightened
they'd have tightened	I'd have been tightening
you'd have been tightening
she'd have been tightening
we'd have been tightening
you'd have been tightening
they'd have been tightening	

Infinitivo 	
Imperativo 	
Infinitivo 	 	Imperativo 	 	
to tighten 	 	tighten
Let's tighten
tighten 	 	

Particípio 	
Presente 	Passado 	 	 	
tightening	tightened