Conjugación del verbo inglés
SHOULD TOUGH

Verbo regular: tough - toughed - toughed

Afirmación

Forma simple	Forma con V-ing
I'd tough you'd tough she'd tough we'd tough you'd tough they'd tough	I'd be toughing you'd be toughing she'd be toughing we'd be toughing you'd be toughing they'd be toughing
Perfecto	Perfecto con V-ing
I should've toughed you should've toughed she should've toughed we should've toughed you should've toughed they should've toughed	I should've been toughing you should've been toughing she should've been toughing we should've been toughing you should've been toughing they should've been toughing

Negación

Forma simple	Forma con V-ing
I shouldn't tough you shouldn't tough she shouldn't tough we shouldn't tough you shouldn't tough they shouldn't tough	I shouldn't be toughing you shouldn't be toughing she shouldn't be toughing we shouldn't be toughing you shouldn't be toughing they shouldn't be toughing
Perfecto	Perfecto con V-ing
I shouldn't have toughed you shouldn't have toughed she shouldn't have toughed we shouldn't have toughed you shouldn't have toughed they shouldn't have toughed	I shouldn't have been toughing you shouldn't have been toughing she shouldn't have been toughing we shouldn't have been toughing you shouldn't have been toughing they shouldn't have been toughing

Forma interrogativa

Forma simple	Forma con V-ing
should I tough? should you tough? should she tough? should we tough? should you tough? should they tough?	should I be toughing? should you be toughing? should she be toughing? should we be toughing? should you be toughing? should they be toughing?
Perfecto	Perfecto con V-ing
should I have toughed? should you have toughed? should she have toughed? should we have toughed? should you have toughed? should they have toughed?	should I have been toughing? should you have been toughing? should she have been toughing? should we have been toughing? should you have been toughing? should they have been toughing?

Forma interro-negativa

Forma simple	Forma con V-ing
shouldn't I tough? shouldn't you tough? shouldn't she tough? shouldn't we tough? shouldn't you tough? shouldn't they tough?	shouldn't I be toughing? shouldn't you be toughing? shouldn't she be toughing? shouldn't we be toughing? shouldn't you be toughing? shouldn't they be toughing?
Perfecto	Perfecto con V-ing
shouldn't I have toughed? shouldn't you have toughed? shouldn't she have toughed? shouldn't we have toughed? shouldn't you have toughed? shouldn't they have toughed?	shouldn't I have been toughing? shouldn't you have been toughing? shouldn't she have been toughing? shouldn't we have been toughing? shouldn't you have been toughing? shouldn't they have been toughing?