【rain与snow的用法】 (1)作为名词意思是雨水和雪是不可数名词 如:There is a lot of rain there in spring. 那儿的春天有很多雨水。 (2) 作为动词意思是下雨和下雪,有四种形式分别是: 动词原形rain,snow; 第三人称单数rains ,snows; 现在分词raining; snowing 过去式rained; snowed; 如:①Look! It is raining now. 瞧!天正在下雨。 ②It often rains in Nantong in summer.南通夏天经常下雨。 ③ It rained yesterday.昨天下了雨。 ④It is going to rain tomorrow. 明天要下雨。 (3)形容词为rainy 和snowy 意思是有雨的和有雪的 如:It is often rainy here in spring.这儿的春天经常是有雨的。 If it is rainy tomorrow, I’ll stay at home.如果明天是有雨的,我将呆在家里。 【have, has】 表示某人有(has用于第三人称单数);There is/ are; There was/ were 表示某地存在有 注意There be 句型的就近原则 单数或不可数用there is /was; 复数用there are/ were. 【本身就是复数的词】 眼镜glasses; 耳机earphones; 鞋shoes;裤子trousers等词本身是复数。 如:My glasses were on the chair just now. 但如果表示这双,这副,一双的时候用单数 如:There is a pair of chopsticks on the plate. This pair of earphones is for you. 【基数词变序数词的方法】 基变序有规律,结尾加上th; 一二三特殊例,结尾字母t、d(即first, second, third); 八去t,九去e, ve要用f替 (即eigh—eighth; nine—ninth; five-- fifth ;twelve—twelfth); ty改y为ie后加th别忘记 (即整十数如twenty—twentieth;forty—fortieth); 几十几十位为基个位为序 (如第二十一为twenty-first)。 另外强调序数词前一定要加the。 本文来源:https://www.wddqw.com/doc/9c3e59f4872458fb770bf78a6529647d262834f4.html