第二单元语法课堂练习一、 一般现在时讲解及练习基本用法(1)一般现在时常表示经常发生的动作或经常存在的状态, 表示此状态时,常和always, often, usually, every day, sometimes等表示时间的状语连用,有时候时间状语可以不表示出来Eg: I go to school every day.(2)表日常行为Eg: The boy wake up at seven oclock, wash, dress quickly and run into the dining room for breakfast. They wait until they hear the bell and then go to school.(3)表习惯,能力或现在的特征、状况Eg: Do you drive, Joho? Our monitor is always ready to help others.我们的班长总是乐于助人(4)表客观存在Eg: The earth moves round the sun. 地球围绕