必修一 语法一、一般现在时1.一般现在时的构成形式如下：肯定式疑问式否定式疑问否定式I work Do I work? I do not work. Do I not work? He(She, It)works Does he (she,it)work? He(She,It)does not work Does he(she,it)not work? We work Do we work? We do not work Do we not work? You work Do you work? You do not work Do you not work? They work Do they work? They do not work Do they not work? 2.一般现在时的基本用法（1）一般现在时常表经常发生的动作或者经常存在的状态，常与 always，often，usually ，everyday，sometimes 等表示时间的状语连用①，有时候时间状语可以不表达出来②。由 when，while ，before，after，until ，as soon as等引导的时间状语从句亦可用一般现在时表示经常发生的动作或存在的状态③。连词if 引导的条件从句有时亦可用一般现在时表示经常发生的动作或存在的状态④。①I go to school everyday. ②Where do you live ? ③When I come across a new word I consult the English dictionary. ④If you speak slowly, I understand. If you speak quickly, I don’t understand. （2）一般现在时常用语一下情况I.表示日常行为① The boys wake up at seven o’clock, wash, dress quickly and run into the dining-room for breakfast. They wait until they hear the bell and then go to school. II. 表示习惯、能力① He never wears a hat in winter. （习惯）② Do you drive, John? （能力）III. 表示客观存在① The earth moves round the sun. ② Time and tide wait for no man. 岁月不等人IV.报章、杂志、书籍不强调过去时间、单纯表示客观事实（即所载文字依然存在）时，亦用一般现在时① What does the newspaper say? 3.一般现在时表现在（1）表说话时刻，这一时刻往往是很短暂的①。有时所表示的时间并不短暂②，一般现在时表示现在时可与现在进行时交替使用③① What time is now? ②The patient is much better now. ③He is wearing a tall hat and carries an umbrella. （2）表完成的动作，常表示示范性动作①，亦可表示宣布或声明什么事②，亦可用来报道一件事③， 有时...
