I could clean you could clean he could clean we could clean you could clean they could clean
Forma con V-ing
I could be cleaning you could be cleaning he could be cleaning we could be cleaning you could be cleaning they could be cleaning
Perfetto
I could have cleaned you could have cleaned he could have cleaned we could have cleaned you could have cleaned they could have cleaned
Perfetto con V-ing
I could have been cleaning you could have been cleaning he could have been cleaning we could have been cleaning you could have been cleaning they could have been cleaning
Negazione
Forma semplice
I couldn't clean you couldn't clean he couldn't clean we couldn't clean you couldn't clean they couldn't clean
Forma con V-ing
I couldn't be cleaning you couldn't be cleaning he couldn't be cleaning we couldn't be cleaning you couldn't be cleaning they couldn't be cleaning
Perfetto
I couldn't have cleaned you couldn't have cleaned he couldn't have cleaned we couldn't have cleaned you couldn't have cleaned they couldn't have cleaned
Perfetto con V-ing
I couldn't have been cleaning you couldn't have been cleaning he couldn't have been cleaning we couldn't have been cleaning you couldn't have been cleaning they couldn't have been cleaning
Forma interrogativa
Forma semplice
could I clean? could you clean? could he clean? could we clean? could you clean? could they clean?
Forma con V-ing
could I be cleaning? could you be cleaning? could he be cleaning? could we be cleaning? could you be cleaning? could they be cleaning?
Perfetto
could I have cleaned? could you have cleaned? could he have cleaned? could we have cleaned? could you have cleaned? could they have cleaned?
Perfetto con V-ing
could I have been cleaning? could you have been cleaning? could he have been cleaning? could we have been cleaning? could you have been cleaning? could they have been cleaning?
Forma interro-negativa
Forma semplice
couldn't I clean? couldn't you clean? couldn't he clean? couldn't we clean? couldn't you clean? couldn't they clean?
Forma con V-ing
couldn't I be cleaning? couldn't you be cleaning? couldn't he be cleaning? couldn't we be cleaning? couldn't you be cleaning? couldn't they be cleaning?
Perfetto
couldn't I have cleaned? couldn't you have cleaned? couldn't he have cleaned? couldn't we have cleaned? couldn't you have cleaned? couldn't they have cleaned?
Perfetto con V-ing
couldn't I have been cleaning? couldn't you have been cleaning? couldn't he have been cleaning? couldn't we have been cleaning? couldn't you have been cleaning? couldn't they have been cleaning?