megastudy

หลักการใช้ had better 

       Had better มีความหมายว่า ควรจะ..... เช่น ควรจะกินยาก่อนจะป่วย

โครงสร้าง HAD BETTER + V.INFINITIVE 
เช่น  You had better go before you miss flights.

       I had better read a book before I get F in physics . 

       she had better exercise or he will get sick.

negative : had better not + V.INFINITIVE 
        I had better not love you .we might be a good friend.

        he had better not go that way

       you had better do like this . that will have a problem.