34831376
Description
Flashcards by Mercedes Lapeña Peixoto, updated more than 1 year ago
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Created by Mercedes Lapeña Peixoto
over 2 years ago
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| Question | Answer |
| Strong obligation (from within, spearker's opinion) | MUST + INFINITIVE |
| Obligation in the past | HAD TO + INFINITIVE |
| No obligation | DON'T HAVE TO / NEEDN'T |
| Strong obligation (from outside, a rule, a norm...) | HAVE TO + INFINITIVE |
| Prohibition | MUSTN'T (Don't use can't) |
| Well done! |
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