Coniugazione del verbo inglese
MAY TOUGHEN

Verbo regolare: toughen - toughened - toughened

Affermazione

Forma semplice	Forma con V-ing
I may toughen you may toughen she may toughen we may toughen you may toughen they may toughen	I may be toughening you may be toughening she may be toughening we may be toughening you may be toughening they may be toughening
Perfetto	Perfetto con V-ing
I may have toughened you may have toughened she may have toughened we may have toughened you may have toughened they may have toughened	I may have been toughening you may have been toughening she may have been toughening we may have been toughening you may have been toughening they may have been toughening

Negazione

Forma semplice	Forma con V-ing
I may not toughen you may not toughen she may not toughen we may not toughen you may not toughen they may not toughen	I may not be toughening you may not be toughening she may not be toughening we may not be toughening you may not be toughening they may not be toughening
Perfetto	Perfetto con V-ing
I may not have toughened you may not have toughened she may not have toughened we may not have toughened you may not have toughened they may not have toughened	I may not have been toughening you may not have been toughening she may not have been toughening we may not have been toughening you may not have been toughening they may not have been toughening

Forma interrogativa

Forma semplice	Forma con V-ing
may I toughen? may you toughen? may she toughen? may we toughen? may you toughen? may they toughen?	may I be toughening? may you be toughening? may she be toughening? may we be toughening? may you be toughening? may they be toughening?
Perfetto	Perfetto con V-ing
may I have toughened? may you have toughened? may she have toughened? may we have toughened? may you have toughened? may they have toughened?	may I have been toughening? may you have been toughening? may she have been toughening? may we have been toughening? may you have been toughening? may they have been toughening?

Forma interro-negativa

Forma semplice	Forma con V-ing
may I not toughen? may you not toughen? may she not toughen? may we not toughen? may you not toughen? may they not toughen?	may I not be toughening? may you not be toughening? may she not be toughening? may we not be toughening? may you not be toughening? may they not be toughening?
Perfetto	Perfetto con V-ing
may I not have toughened? may you not have toughened? may she not have toughened? may we not have toughened? may you not have toughened? may they not have toughened?	may I not have been toughening? may you not have been toughening? may she not have been toughening? may we not have been toughening? may you not have been toughening? may they not have been toughening?