词汇 | grammar_british-grammar_should | ||||||||
释义 | ShouldShould: formsAffirmative formShould comes first in the verb phrase (after the subject and before another verb):
Should cannot be used with another modal verb:
Negative formThe negative form of should is shouldn’t. We don’t use don’t, doesn’t, didn’t with should:
We use the full form should not in formal contexts or when we want to emphasis something:
See also: Modal verbs Question formThe subject and should change position to form questions. Warning: We don’t use do, does, did:
We use should and shouldn’t in question tags:
Should: usesWhat is ideal or desiredWe use should most commonly to talk about what is the ideal or best thing to do in a situation:
We use should have + -ed form to talk about things that were ideal in the past but which didn’t happen. It can express regret:
Advice and suggestionsWe often use should to give advice and make suggestions:
See also: Suggest Suggestions What is likely to happenWe also use should to talk about what is likely to happen:
Conditional sentencesWarning: We sometimes use should in hypothetical conditional clauses with if to express possibility. It is formal: [information leaflet in a hotel room]
See also: If Conditionals If + should Warning: We can also use Should you as an alternative to If you should in these situations by changing the order of the subject and the verb. Compare these two sentences with the examples above. They have the same meaning and they are also formal:
ThankingSpoken English: In speaking, we often say you shouldn’t have when someone gives us a gift:
Surprise or regretWe sometimes use should to express surprise or regret about something that happened:
Should and wouldWe use should as a more formal alternative to would with I and we in conditional clauses. Compare
We use should as a more formal alternative to would when we want to be less direct. Compare
Should and ought toShould and ought to have similar meanings and uses. Ought to is more formal and less common than should:
Should is much more common in negatives and questions than ought to:
See also: Ought to or should? |
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