一般现在时及动词变化（课件）人教PEP版英语六年级下册

My brother reads books every day. Look! How often does Ben’s family do these things? 带学生圈出表示频率的词 1 My grandpa always goes fishing. 让学生圈出表示频率的词 2 My grandma walks a dog twice a week. 让学生圈出表示频率的词 3 My father often drives a truck. 让学生圈出表示频率的词 4 My brother reads books . My grandpa goes fishing. My grandma walks a dog . every day always twice a week 表示习惯性、真理性的状态或者动作（有时间规律发生的事件）的一种时间状态。 一般现在时 My father drives a truck. often 时间标志词 引出一般现在时的定义，并让学生在定义中圈出两个关键词。 5 Practice ( ) 1. He __________ the radio every morning. A. listens to B. listens C. listen D. listen to ( ) 2. He often __________ us English stories. A. telling B. tells C. is telling D. tell A B 用法一：表示经常发生的习惯性动作或存在的状态 Practice,先做题，check，给解释 6 Practice ( ) 1. The earth __________ around the sun. A. went B. goes C. will go D. would go ( ) 2. The moon __________ round the earth. A. travelled B. has travelled C. travels D. had travelled B C 用法二：表示客观事实或真理 Practice,先做题，check，给解释 7 Help bees find their nests. every week every night usually often never twice a week every时间系列 频率副词系列 once a week时间系列 sometimes every day always three times a week 一般现在时的时间标志词有哪些类型？ 把时间标志词分类 8 1. 当谓语是be动词时 一般现在时结构 She is a student. She isn’t a student. is 和 isn’t在此处作谓语 isn’t = is not be动词即am, is, are 讲解一般现在时结构 9 He ______ a boy. is is isn’t He ________ a girl. isn’t is 表示肯定，变否定直接在is后面加not, is not通常写为isn’t 肯定句 否定句 主语he是第三人称单数，所以be动词用is 讲解肯定变否定 10 We ________ boys. aren’t are aren't We ________ girls. are 主语we是第一人称复数，所以be动词用are 肯定句 否定句 are 表示肯定，变否定直接在are后面加not, are not通常写为aren’t 讲解肯定变否定 11 She is happy. She is happy？ happy？ Is she 肯定句 疑问句 is 表示肯定，变疑问句时把be动词is大写为Is并提到最前面，主语She变为小写she并移到is后面，变为Is she……。 讲解肯定变疑问 12 主语 肯定句 否定句 一般疑问句 I am am not Are you...？ He/She/It… is You/