常见时态课件-2023届中职高三英语一轮复习

时态 01.一般现在时 02.一般过去时 03.一般将来时 05.过去进行时 06.现在完成时 04.现在进行时 07.过去完成时 考点一 一般现在时 　　1．一般现在时的构成 结构：1. 主语＋be动词(am/is/are) 2. 主语＋动词原形/动词单三形式 动词的第三人称单数形式变化规则如下： ①直接加-s。如：work—works。 ②以“辅音字母＋y”结尾的词，先变y为i，再加-es。 如：carry—carries; cry—cries; try—tries; study—studies。 ③以s，x，o，ch，sh结尾的词加-es。 如：wash—washes; teach—teaches; go—goes; pass—passes; fix—fixes。 ④特殊：have—has say--says 写出下列动词的第三人称单数形式： be ____ have___ come___ fly___ do___ wash ___ switch___ plan___ miss___ fix___ study___ am/is has comes flies does washes switches plans misses fixes studies 2.用法：1. 表示经常性或习惯性的动作或状态。 如：In most countries, people usually eat traditional food on special holidays. 在大多数国家，人们通常在特殊节日里吃传统食物。 I listen to English news every day. 我每天都听英语新闻。 We often write to each other. 我们时常相互通信。 I often exercise at the park because I love the clean air and sunshine. 我经常在公园锻炼，因为我喜欢那里洁净的空气和阳光。 一般现在时常见的时间标志词包含频率副词： always总是, usually通常, often经常, sometimes有时, seldom很少/不常, never从来不, hardly 几乎不 表示频率的词组： once a year 一年一次 twice a month 一个月两次 three times a day 一天三次 2．表示普遍真理、客观存在或科学事实。 如：The moon moves around the earth. 月球绕着地球转。 The sun rises in the east. 太阳从东方升起。 Knowledge begins with practice. 知识始于实践。 注意：这种用法若出现在宾语从句中，即使主句是过去时，从句也要用一般现在时。 如：My father told me that light _____faster than sound. A.travel B.travels C.traveled 我父亲告诉我光比声音传播得快。 B He told me (that) Summer after Spring . is My sister asked me (that) if the sun much bigger than the moon. is no news good news. My parents said (that) is Exercises 3.when , as soon as , before , after , until , if ，unless等引导的时间状语或条件状语从句，用一般现在时代替一般将来时。 If it is fine tomorrow ,we will go to the countryside. 如果明天不下雨，我们就下乡。 I will tell him about it as soon as I see him next Monday. 下周五我一见到他就告诉他这件事。 (山西卷)We'll have a picnic if it _______tomorrow. A.rains B. doesn't rain C.will rain D. won't rain (北京卷)One cannot lear