Indicative
Present Indefinite
I toughen
you toughen
he/she/it toughens
we toughen
you toughen
they toughen
Present Continuous
I am toughening
you are toughening
he/she/it is toughening
we are toughening
you are toughening
they are toughening
Present Perfect
I have toughened
you have toughened
he/she/it has toughened
we have toughened
you have toughened
they have toughened
Present Perfect Continuous
I have been toughening
you have been toughening
he/she/it has been toughening
we have been toughening
you have been toughening
they have been toughening
Past Indefinite
I toughened
you toughened
he/she/it toughened
we toughened
you toughened
they toughened
Past Continuous
I was toughening
you were toughening
he/she/it was toughening
we were toughening
you were toughening
they were toughening
Past Perfect
I had toughened
you had toughened
he/she/it had toughened
we had toughened
you had toughened
they had toughened
Past Perfect Continuous
I had been toughening
you had been toughening
he/she/it had been toughening
we had been toughening
you had been toughening
they had been toughening
Future Indefinite
I will toughen
you will toughen
he/she/it will toughen
we will toughen
you will toughen
they will toughen
Future Continuous
I will be toughening
you will be toughening
he/she/it will be toughening
we will be toughening
you will be toughening
they will be toughening
Future Perfect
I will have toughened
you will have toughened
he/she/it will have toughened
we will have toughened
you will have toughened
they will have toughened
Future Perfect Continuous
I will have been toughening
you will have been toughening
he/she/it will have been toughening
we will have been toughening
you will have been toughening
they will have been toughening
Conditional
Conditional Present
I would toughen
you would toughen
he/she/it would toughen
we would toughen
you would toughen
they would toughen
Conditional Present Continuous
I would be toughening
you would be toughening
he/she/it would be toughening
we would be toughening
you would be toughening
they would be toughening
Conditional Perfect
I would have toughened
you would have toughened
he/she/it would have toughened
we would have toughened
you would have toughened
they would have toughened
Conditional Perfect Continuous
I would have been toughening
you would have been toughening
he/she/it would have been toughening
we would have been toughening
you would have been toughening
they would have been toughening
