... cách thuyết phục họ ( không dùng could persuade”) Hãy so sánh couldbeableto ví dụ sau: Jack was an excellent tennis player He could (= he had the ability to beat anybody) Jack đấu thủ quần ... everyone was ableto escape Ngọn lửa lan khắp nhà nhanh người tìm cách thoát thân (không nói could escape”) - They didn’t want to come with us at first but in the end we were ableto persuade ... vợt tuyệt vời Anh ta thắng - But once be had a difficult game against Alf Alf played very well but in the end Jack was ableto beat him (= he managed to beat him in this particular game) Nhưng...
... haven’t been ableto sleep recently (can present perfect) Gần không ngủ Tom can come tomorrow Ngày mai Tom đến Nhưng Tom might beableto come tomorrow (can infinitive) Ngày mai Tom có khả đến C Could ... có khả đến C Could was ableto Đôi could dạng khứ can Chúng ta dùng could đặc biệt với: see hear smell taste feel remember understand When we went into the house, we could smell burning Khi ... situation), dùng was/were ableto (không dùng could) The fire spread through the building quickly but everybody was ableto escape or … everybody managed to escape (but not could escape’) Ngọn lửa...