操作方法
用法一：一般现在时表示现在的经常性、习惯性动作或状态。 如： We have meals three times a day. 我们一日吃三餐。(现在的习惯) He is always ready to help others 他总是乐于助人。(现在的状态）
用法二：一般现在时还可以表示客观真理、科学事实。如： The sun rises in the east. 太阳从东方升起。
用法三：一般现在时还可用在if， unless引l导的条件状语从句中，由when， before， until/till， as soon as， the moment，once引导的时间状语从句中，由 even if， no matter what/who/ which/when/where/how 或 whatever, whoever, whichever, whenever, wherever,however引导的让步状语从句中表示将来的动作或状态。如： i'll go with you as soon as I finish my work 我一完成工作就跟你走 If city noises are not kept from increasing, people will have to shout to be heard even at the dinner table 20 years from now. 如果不阻止城市噪音继续增加的话，从现在起20年后人即使在饭桌旁也不得不大喊着才能被听到。Whatever you say, I will not change my mind无论你说什么，我都不会改变主意。
用法四：在以here， there开头的句子中，用一般现在时表正在发生的动作，如： There goes the bell。 铃响了 Here comes the bus。 公共汽车来了
用法五：图片说明、电影说明、解说戏剧内容及场景，如： Scene I( Mary is in the professor's room-a large, cozy room. There is a big desk...) 常与一般现在时搭配的时间副词和时间状语： always( at all times), often( usually, regularly, frequently, more often than not sometimes(once in a while, now and then, at times, occasionally seldom, rarely, hardly, never等。