Modal Verbs: Should, Must, Have to, Need, Could, Appunti di Inglese

Scarica Modal Verbs: Should, Must, Have to, Need, Could e più Appunti in PDF di Inglese solo su Docsity! SHOULD\OUGHT TO si usano per dare consigli o suggerimenti. Hanno lo stesso significato, sono seguiti dal verbo all’infinito e non cambiano per le varie persone. Forma affermativa I\YOU\HE\SHE\IT\ WE\YOU\THEY should call a doctor. FORMA NEGATIVA si aggiunge NOT es: it should not \ shouldn’t go out in the rain FORMA INTERROGATIVA si inverte soggetto e verbo es: Should you stay at home today? ALLA FORMA NEGATIVA SHOULDN’T puo’ essere usato anche per esprimere una critica. Es: YOU SHOULDN’T SMOKE! MUST si usa per esprimere un obbligo es: you must see a doctor about that MUSTN’T si usa per esprimere un divieto es: You mustn’t take an antibiotic without a medical supervision. HAVE TO O NEED TO si usa per esprimere la necessità di fare qualcosa per ottenere un certo risultato. Es: I need to limit sweet foods. I have to cut down sugur Alla forma negativa si utilizza don’t o doesn’t Anche alla forma interrogativa si sua Do o Does Es: what do i have to do? Oppure what does Jim have to do? PAST OF MODAL VERBS : PER IL PASSATO SI USA LA STRUTTURA: soggetto + verbo modale + have + participio passato del verbo principale. SHOULD: SOGGETTO + SHOULD + HAVE + PARTICIPIO PASSATO Es: HE SHOULD HAVE SEEN A DOCTOR YESTERDAY NEGATIVA: SOGGETTO + SHOULDN’T+ HAVE + PARTICIPIO PASSATO Es: HE SHOULDN’T HAVE EATEN SO MUCH INTERROGATIVA: SHOULD + SOGGETTO + HAVE+ PARTICIPIO PASSATO ES: Should he have seen a doctor? MUST E MUSTN’T esprimono un obbligo e non hanno la forma al passato. ES. WE MUST GO TO THE HOSPITAL. HAVE TO usa soggetto + had to+ forma base Es : they had to spend a long time in hospital Negativa usa DID: soggetto + didn’t+ have to+ forma base Es : he didn’t have to go to hospital. Interrogativa : DID+ SOGGETTO+ HAVE TO + FORMA BASE Es: Did he have to go to the emergency room? NEED : soggetto+ needed to + forma base es: they needed to study their symptons. Forma negativa : SOGGETTO + DIDN’T + NEED TO + BASE FORM Es: we didn’t need to go. INTERROGATIVA: DID+ SOGGETTO+ NEED TO + FORMA BASE ES: did he need toh ave an x ray? COULD: soggetto + could+ have+ participio passato Es: they could have avoided injuries. NEGATIVA : soggetto + couldn’t+ have+ participio passato Es: I couldn’t have done it INTERROGATIVA: COULD+ SOGGETTO+ HAVE+ PARTICPIO PASSATO ES: Could we have done anything else to help him?