... is a long time to wait Khi chủ ngữ la` đại từ bất đònh: each, any, one, everyone, someone, anyone, every, either, neither, another, something… Ex1 Each of the boys has a bicycle Ex2 Someone ... we, you, everyone khơng cần ghi Ex: Studying abroad is the wonderful thing that we must think about Studying abroad is the wonderful (for us ) to think about - Nếu trước relative pronoun có giới ... congratulated + s.o + on + v-ing Ex: John said, “I heard you received the scholarship Congratulations!” -> John congratulated me on receiving the scholarship “I hear you passed your exams Congratulations!”...