Conjugation of the verb "toughen"
Conjugation of the verb toughen[ˈtʌfn],
regular 
Indicative
Present Indefinite
Present Continuous
Present Perfect
Present Perfect Continuous
Past Indefinite
Past Continuous
Past Perfect
Past Perfect Continuous
Future Indefinite
Future Continuous
Future Perfect
Future Perfect Continuous
Indicative
Present Indefinite
I don't toughenyou don't toughen
he/she/it doesn't toughen
we don't toughen
you don't toughen
they don't toughen
Present Continuous
I am not tougheningyou aren't toughening
he/she/it isn't toughening
we aren't toughening
you aren't toughening
they aren't toughening
Present Perfect
I haven't toughenedyou haven't toughened
he/she/it hasn't toughened
we haven't toughened
you haven't toughened
they haven't toughened
Present Perfect Continuous
I haven't been tougheningyou haven't been toughening
he/she/it hasn't been toughening
we haven't been toughening
you haven't been toughening
they haven't been toughening
Past Indefinite
I didn't toughenyou didn't toughen
he/she/it didn't toughen
we didn't toughen
you didn't toughen
they didn't toughen
Past Continuous
I wasn't tougheningyou weren't toughening
he/she/it wasn't toughening
we weren't toughening
you weren't toughening
they weren't toughening
Past Perfect
I hadn't toughenedyou hadn't toughened
he/she/it hadn't toughened
we hadn't toughened
you hadn't toughened
they hadn't toughened
Past Perfect Continuous
I hadn't been tougheningyou hadn't been toughening
he/she/it hadn't been toughening
we hadn't been toughening
you hadn't been toughening
they hadn't been toughening
Future Indefinite
I shan't / won't toughenyou won't toughen
he/she/it won't toughen
we shan't / won't toughen
you won't toughen
they won't toughen
Future Continuous
I shan't / won't be tougheningyou won't be toughening
he/she/it won't be toughening
we shan't / won't be toughening
you won't be toughening
they won't be toughening
Future Perfect
I shan't / won't have toughenedyou won't have toughened
he/she/it won't have toughened
we shan't / won't have toughened
you won't have toughened
they won't have toughened
Future Perfect Continuous
I shan't / won't have been tougheningyou won't have been toughening
he/she/it won't have been toughening
we shan't / won't have been toughening
you won't have been toughening
they won't have been toughening
Conditional
Conditional Present
Conditional Present Continuous
Conditional Perfect
Conditional Perfect Continuous
Conditional
Conditional Present
I wouldn't toughenyou wouldn't toughen
he/she/it wouldn't toughen
we wouldn't toughen
you wouldn't toughen
they wouldn't toughen
Conditional Present Continuous
I wouldn't be tougheningyou wouldn't be toughening
he/she/it wouldn't be toughening
we wouldn't be toughening
you wouldn't be toughening
they wouldn't be toughening
Conditional Perfect
I wouldn't have toughenedyou wouldn't have toughened
he/she/it wouldn't have toughened
we wouldn't have toughened
you wouldn't have toughened
they wouldn't have toughened
Conditional Perfect Continuous
I wouldn't have been tougheningyou wouldn't have been toughening
he/she/it wouldn't have been toughening
we wouldn't have been toughening
you wouldn't have been toughening
they wouldn't have been toughening
Participles
Present
Past
Infinitives
Infinitives
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