e 等。РStep 2 新课呈现(Presentation)Р1. New words and new sentencesР(1)Lead inР教师出示以上四幅图,设置情境,导出频率副词always, often ,sometimes, never。РTiger: I always eat meat; I never eat vegetables.РBoy: I often eat meal; I sometimes eat vegetables.РDog: I sometimes eat meat; 1 sometimes eat vegetables. РRabbit: I never eat meat; I always eat vegetables.Р教师播放上述谈话,让学生找出话中不同之处,从而引出频率副词always, often, sometimes, never, 并教学生读这几个频率副词。Р教师告知学生这些单词是表示频率的副词,它们表示事件发生的次数。Р(2)Read and say РT: Please read the new words and use the words to say what you always/often/sometimes/never did in your daily life.Р学生根据教师的问话来回答。РS1: I always brush my teeth in the morning.Р频率副词:频率副词是表示与次数、频率有关的副词,如 always(总是), usually(通常), often (经常), sometimes(有时), never (从不), once (一次)。频率副词用在be动词后,实义动词前,还用在助动词与实义动词之间。对频率提问用 how often 或 how many times。
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