例句:If people obey the traffic rules, there will be fewer accidents.
3、时态:
if引导的条件状语从句,主句用一般将来时(will),从 句用一般现在时表将来。
If引导的条件状语从句,主句是情态动词如: must,can,could,should等,从句用一般现在时 例句:如果交通指示灯是红的,你必须停下来等一等。 eg:If the traffic lights are red,you must stop and wait.
(1)Ask sb. (not) To do sth.
Our teacher asks us to read every day. (2)too…to…意为“太……而不能……”too后加形容词或副词,to 后加动词原形。
This question is too difficult for me to answer. Too…to…可以与not…enough to do sth.及so…that…进行转换
Tom’s sister is afraid of dogs.
考点讲解:
12、If I tell my parents, they’ll be angry. Angry形容词,意为“发怒的,生气的” Be angry with sb. 生某人的气
If you don’t finish the work, Mr Green will be angry with you. Be angry at/about sth. 因某事而生气
• 注意事项
• 1. 在if引导的条件状语从句中,当主句是一般将来 时时,不能够使用be going to结构,而要用will。