一般现在时表示现在的经常性、习惯性动作或状态。一般现在时还可以表示客观真理、科学事实。一般现在时还可用在if, unless引l导的条件状语从句中。
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 toshout 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 alltimes), often( usually, regularly, frequently, more often than notsometimes(once in a while, now and then, at times, occasionallyseldom, rarely, hardly, never等。