Verbo regular: concertise - concertised - concertised
Afirmación
Forma simple
I could concertise you could concertise she could concertise we could concertise you could concertise they could concertise
Forma con V-ing
I could be concertising you could be concertising she could be concertising we could be concertising you could be concertising they could be concertising
Perfecto
I could have concertised you could have concertised she could have concertised we could have concertised you could have concertised they could have concertised
Perfecto con V-ing
I could have been concertising you could have been concertising she could have been concertising we could have been concertising you could have been concertising they could have been concertising
Negación
Forma simple
I couldn't concertise you couldn't concertise she couldn't concertise we couldn't concertise you couldn't concertise they couldn't concertise
Forma con V-ing
I couldn't be concertising you couldn't be concertising she couldn't be concertising we couldn't be concertising you couldn't be concertising they couldn't be concertising
Perfecto
I couldn't have concertised you couldn't have concertised she couldn't have concertised we couldn't have concertised you couldn't have concertised they couldn't have concertised
Perfecto con V-ing
I couldn't have been concertising you couldn't have been concertising she couldn't have been concertising we couldn't have been concertising you couldn't have been concertising they couldn't have been concertising
Forma interrogativa
Forma simple
could I concertise? could you concertise? could she concertise? could we concertise? could you concertise? could they concertise?
Forma con V-ing
could I be concertising? could you be concertising? could she be concertising? could we be concertising? could you be concertising? could they be concertising?
Perfecto
could I have concertised? could you have concertised? could she have concertised? could we have concertised? could you have concertised? could they have concertised?
Perfecto con V-ing
could I have been concertising? could you have been concertising? could she have been concertising? could we have been concertising? could you have been concertising? could they have been concertising?
Forma interro-negativa
Forma simple
couldn't I concertise? couldn't you concertise? couldn't she concertise? couldn't we concertise? couldn't you concertise? couldn't they concertise?
Forma con V-ing
couldn't I be concertising? couldn't you be concertising? couldn't she be concertising? couldn't we be concertising? couldn't you be concertising? couldn't they be concertising?
Perfecto
couldn't I have concertised? couldn't you have concertised? couldn't she have concertised? couldn't we have concertised? couldn't you have concertised? couldn't they have concertised?
Perfecto con V-ing
couldn't I have been concertising? couldn't you have been concertising? couldn't she have been concertising? couldn't we have been concertising? couldn't you have been concertising? couldn't they have been concertising?