to toughen
Regular verb: toughen - toughened- toughened

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I don't toughen
you don't toughen
he doesn't toughen
we don't toughen
you don't toughen
they don't toughen 	I'mnot toughening
youaren't toughening
heisn't toughening
wearen't toughening
youaren't toughening
theyaren't toughening	I didn't toughen
you didn't toughen
he didn't toughen
we didn't toughen
you didn't toughen
they didn't toughen 	Iwasn't toughening
youweren't toughening
hewasn't toughening
weweren't toughening
youweren't toughening
theyweren't toughening	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I haven't toughened
you haven't toughened
he hasn't toughened
we haven't toughened
you haven't toughened
they haven't toughened	I haven't  been toughening
you haven't  been toughening
he hasn't  been toughening
we haven't  been toughening
you haven't  been toughening
they haven't  been toughening	I hadn't toughened
you hadn't toughened
he hadn't toughened
we hadn't toughened
you hadn't toughened
they hadn't toughened	I hadn't been toughening
you hadn't been toughening
he hadn't been toughening
we hadn't been toughening
you hadn't been toughening
they hadn't been toughening	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I won't toughen
you won't toughen
he won't toughen
we won't toughen
you won't toughen
they won't toughen 	I won't be toughening
you won't be toughening
he won't be toughening
we won't be toughening
you won't be toughening
they won't be toughening	I won't have toughened
you won't have toughened
he won't have toughened
we won't have toughened
you won't have toughened
they won't have toughened	I won't have been toughening
you won't have been toughening
he won't have been toughening
we won't have been toughening
you won't have been toughening
they won't have been toughening	

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

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to toughen 	 	do not toughen
Let's not toughen
do not toughen 	 	

Participle 	
Present 	Past 	 	 	
toughening	toughened