I could standardise you could standardise she could standardise we could standardise you could standardise they could standardise
Forme en V-ing
I could be standardising you could be standardising she could be standardising we could be standardising you could be standardising they could be standardising
Perfect
I could have standardised you could have standardised she could have standardised we could have standardised you could have standardised they could have standardised
Perfect en V-ing
I could have been standardising you could have been standardising she could have been standardising we could have been standardising you could have been standardising they could have been standardising
Négation
Forme simple
I couldn't standardise you couldn't standardise she couldn't standardise we couldn't standardise you couldn't standardise they couldn't standardise
Forme en V-ing
I couldn't be standardising you couldn't be standardising she couldn't be standardising we couldn't be standardising you couldn't be standardising they couldn't be standardising
Perfect
I couldn't have standardised you couldn't have standardised she couldn't have standardised we couldn't have standardised you couldn't have standardised they couldn't have standardised
Perfect en V-ing
I couldn't have been standardising you couldn't have been standardising she couldn't have been standardising we couldn't have been standardising you couldn't have been standardising they couldn't have been standardising
Forme interrogative
Forme simple
could I standardise? could you standardise? could she standardise? could we standardise? could you standardise? could they standardise?
Forme en V-ing
could I be standardising? could you be standardising? could she be standardising? could we be standardising? could you be standardising? could they be standardising?
Perfect
could I have standardised? could you have standardised? could she have standardised? could we have standardised? could you have standardised? could they have standardised?
Perfect en V-ing
could I have been standardising? could you have been standardising? could she have been standardising? could we have been standardising? could you have been standardising? could they have been standardising?
Forme interro-négative
Forme simple
couldn't I standardise? couldn't you standardise? couldn't she standardise? couldn't we standardise? couldn't you standardise? couldn't they standardise?
Forme en V-ing
couldn't I be standardising? couldn't you be standardising? couldn't she be standardising? couldn't we be standardising? couldn't you be standardising? couldn't they be standardising?
Perfect
couldn't I have standardised? couldn't you have standardised? couldn't she have standardised? couldn't we have standardised? couldn't you have standardised? couldn't they have standardised?
Perfect en V-ing
couldn't I have been standardising? couldn't you have been standardising? couldn't she have been standardising? couldn't we have been standardising? couldn't you have been standardising? couldn't they have been standardising?