精选优质文档-倾情为你奉上if引导的条件状语从句用法例句主句为一般将来时态,if从句用一般现在时态(即主将从现)。We will stay at home if it rains tomorrow.如果明天下雨,我将要呆在家。主句中含有情态动词,if从句用一般现在时态。If you finish your homework, you can go home now.如果你做完了作业,你现在可以回家了。主句为祈使句,if从句用一般现在时态。Dont jump into the river if you feel very hot.如果你感到很热,不要跳入河里。主句为过去将来时,if从句用一般过去时态(如果涉及到be动词,一律都用were)。此时,表达的是和现实相反的推测,用虚拟语气。If I were you, I wouldnt do it like that.如果我是你,我就不会那么做的。If you gave me some money, I would be very happy