COULD, SHOULD, WOULD come utilizzarli in frasi affermative, negative, iterrogative ed interro-negative.
ESERCIZIO:
traduci le frasi e trasformale in forma negativa, interrogativa ed interro-negativa: Potresti uscire a giocare -Sarah dovrebbe studiare di più -Loro verrebbero al cinema con noi -Il cane potrebbe morderti -Mary mangerebbe tutta la torta -Lucy e Jack dovrebbero incontrarsi.
SOLUZIONI:
You could go out and play -You could not/couldn't go out and play -Could you go out and play? -Could not/couldn't you go out and play?
Sarah should study more -Sarah should not/shouldn't study more -Should Sarah study more? -Should not/shouldn't Sarah study more?
They would come to the cinema with us -They would not/wouldn't come to the cinema with us -Would they come to the cinema with us? -Would not/wouldn't they come to the cinema with us?
The dog could bite you - The dog could not/couldn't bite you -Could the dog bite you? -Could not/couldn't the dog bite you?
Mary would eat the whole cake -Mary would not/wouldn't eat the whole cake -Would Mary eat the whole cake? -Would not/wouldn'tMary eat the whole cake?
Lucy and Jack should meet -Lucy and Jack should not/shouldn't meet -Should Lucy and Jack meet? -Should not/shouldn't Lucy and Jack meet?