Unit 1: How do you study for a test?【重点语法】1. 动名词 在动词后加ing为动名词doing，相当于名词，在句子中可以做主语、宾语、表语、定语等。(1)作主语（谓语为第三人称单数）Memorizing the words of pop songs also helps a little.记流行歌曲的词也起作用。Swimming is good for our health.(2)作宾语 在动词(keeppracticefinish enjoyhatebe busymind) 后只用ing 作宾语Eg. We should keep speaking English in class. He often practices singing in the morning. I have finished reading the book. Would you mind opening the door?(3) 作表语 Babysisters job is wa
