1.動物、植物、儀器裝置、樂器、交通方式時 可以用 the + 該名詞的單數來泛指全體 比如：The rose is my mom’s favorite flower. (玫瑰是我媽媽最喜歡的花。)
2.ㄑand〉連接兩者(物)必為複數。
3.ㄑbut〉 連接前後相反意思的子句。A ,but B

複數的科目為主詞而回答不一致。

Are math and music are interesting subjects?

Math is a interesting subject, but music is a boring subject. 回答yes they are或不是而且用相反詞回答
4.ㄑ所有格用法〉 my your his her its our your their   後接名詞。
5.ㄑ受詞用法〉me you him her it is you them  介詞或動詞+ 受詞。
6.句子中有一般動詞介入時，必須藉用助動詞do來轉變形態 ,而回答仍然用yes no。而特殊疑問句採直接回答。
7.問答方式分為2種
   (1) yes no  回答 :Be動詞及助動詞為句首。
   (2)直接回答:5W1H為首的特殊疑問句。
8.指示代名詞的單複數。
it  They.   通稱它的單數與複數。(無関遠近)
This These近的單數與複數。
That Those遠的單數與複數。
9..單三現(他它她的代名詞)動詞要加s(es)。[do>does]
10.助動詞+動詞原形。
11.want to verb /want + noun(名詞) /want to be +noun(名詞)。
12  動詞單三現例 do does have has want wants like likes 。
13.My mother is their mother. They're my brothers.
     我的母親是他們的母親。他們是我的兄弟們。
14. Is jimmy Molly and your teacher? Yes. he is. He's our teacher.
15 Do you have any  brothers and sisters?
     Yes, I do. I have two sisters and one brother.
16.be from ?
  Where are you from?
17.Is it time to answer the homework?
Yes, it is. It's time to answer it.
18. Do you want an apple?
        Yes. I want  one. No. I don't want one.
19.are you ready to go home?

英文如何從練習中溫故知新，從細節中真正找出精髓，不要照單全收，要確實了解能分辨何子的變化。不外是規則+例外。

I

Do you + V ...?
問句：Do／Does＋主詞＋原形動詞…？
肯定簡答：Yes，主詞＋do／does。
否定簡答：No，主詞＋don’t／doesn’t。 

說明︰肯定句中，如有一般動詞like、want。
則在句首加助動詞 do 或 does，並將一般動詞改為原形動詞(不加s或es),即構成<疑問句>。