2A unit6 An elegant size第六单元英语课件.ppt

sometimes—有时 一般现在时态的时间状语：always, often, usually, sometimes, hardly ever, seldom(很少), never, …every day, every week, on Sundays, three times a week … always —总是 usually—通常 often—经常 never—从不 hardly ever—几乎不曾 100% 80% 50~70% 20~40% 5% 0% almost always 几乎总是 seldom 很少 almost never 几乎从不 频率副词的比较 1.be 动词的一般现在时的句式： ?肯定句：主语+be+表语(n., adj.等) e.g. He is a teacher. You are thirteen. They are in the classroom. ?否定句：主语+be+ not+表语 e.g. He is not a teacher. You aren’t thirteen. They aren’t in the classroom. ?一般疑问句：Be+主语+表语? e.g. Is he a teacher? Yes, he is./No, he isn’t. Are you thirteen? Are they in the classroom? Yes, they are. No, they aren’t. ?特殊疑问句：疑问词+be+主语? e.g. What is he? What colour is that bird? How old are you? Where are they ? 2.实义动词的一般现在时句式： 肯定句：?主语（I/We/You/They）+实义动词+其他 e.g. I go to the beach on Saturdays. They play basketball every day. ?主语（He/She/It）+实义动词三单现形式+其他 e.g. He goes to the beach on Saturdays. Lucy plays basketball every day. 否定句：?主语（I/We/You/They）+do+ not+动词原形+其他 e.g. I don’t go to the beach on Saturdays. They don’t play basketball every day. ?主语（He/She/It）+does +not+动词原形+其他 e.g. He doesn’t go to the beach on Saturdays. Lucy doesn’t play basketball every day. 一般疑问句：?Do+主语（I/we/you/they）+动词原形+其他？ e.g. Do you go to the beach on Saturdays? Do they play basketball every day? ?Does+主语（he/she/it）+动词原形+其他？ e.g. Does he go to the beach on Saturdays? Does Lucy play basketball every day? 主语为第三人称时谓语动词的变化 (1) 一般情况下加s。清辅音后读作/s/ ，浊辅音后诗作/z/ . help→helps come→comes (2) 以 s, x,sh, ch 结尾的在后面加es.读作/?z / teach→t