A computer is more expensive than a bicycle.
＊than + 主格或受格
You are taller than I. = You are taller than me.
You are taller than I am. (此處不得用受格)
I like you better than he (likes you). 與主格比較
I like you better than (I like) him. 與受格比較
(X) Your pencil is longer than I / me. 人與物比較
(O) Your pencil is longer than mine.(=my pencil.)
(X) Taipei is bigger than all the cities in Taiwan.所有城市包含Taipei
(X) Taipei is bigger than any city in Taiwan.任何城市包含Taipei
(O) Taipei is bigger than all the other cities in Taiwan. 所有/任何其他城市
(O) Taipei is bigger than any other city in Taiwan. 則不包含Taipei
(O) New York is bigger than all the cities/ any city in Taiwan. New York 不在台灣
注意：all the other 複數 / any other 單數
記法: any (任一個)+單數 all (全部-三者或三者以上) +複數
(2) Who / Which + be +比較級 , A or B ?
Who is taller, Tom or John?
Which is more expensive, a bicycle or a computer?
(3) ~ + be + the 比較級 + of the two. (兩個之中比較…的那一個，~包含在兩個之中)
Tom is the taller of the two. = Tom is taller than the other boy.
This jacket is the more expensive of the two.
= This jacket is more expensive than the other one.
(4) very + 原級 ; much / a lot / even / far/a little + 比較級
Tom is much taller than Jack. (Tom比Jack高多了。)
A compute is much more expensive than a bicycle.
(5) 比較級 and 比較級
(越來越~~) ~er and ~er / more and more ~
In summer, the days become longer and longer.
We have more and more tests at school now.
She likes eating fast food and is growing fatter and fatter.
English becomes more and more important in our daily life.
There will be less and less pollution if everyone helps to save our earth.
After a typhoon, the vegetables become more and more expensive.
(越來越不~~)less and less ~
As we grow up, we will become less and less happy.
He became less and less careful on his work and finally was fired.
(6) The 比較級 , the 比較級. ( 越~~越~~)
The more, the better.(越多越好。)
The more he reads, the less the understands.(他越讀越不明白。)
The older we grow, the poor our memory will become.(年紀越大，記憶力越差。)
＊Jack is not as tall as Tom.→ Tom is taller than Jack. = Jack is shorter than Tom.
I don’t have as many books as you.→ You have more books than I.= I have fewer books than you.
This car isn’t as expensive as that one. →That car is more expensive than this one.
= This car is cheaper than that one.
＊Jack is not taller than Tom. 不完全等於 Jack is shorter than Tom.
I didn’t come earlier than you. We may come here at the same time.
I don’t have more pens than you. Maybe I have as many pens as you.
最高級的使用時機: the / 所有格 + 最高級
(1) 在一個範圍或團體中 in ~
The elephant is the biggest animal in the zoo.
Helen is the most active student in my class.
(2) Who / Which + be +最高級 , A, B, or C ?
Who is the tallest, Tom, Jack, or David?
Which is the most expensive, a bicycle, a motorcycle, or a car?
(3) ~ + be + the 最高級 + of the three / of all. (三個以上或全部之中)
Of the three / of all , ~ + be + the 最高級
Tom is the tallest of the three boys. = Tom is taller than the other two boys.
This one is the most expensive of all the cars in the store.
Of all the girls in my class, Helen is the most active.
Of all my friends, Tom is the most important one to me.
(4) ~ + be + one of the +最高級 +複數名詞
Love River is one of the most beautiful rivers in Taiwan.
Mark is one of the best students in my class.
(5) ~ + be + the 最高級 ~ that 某人 have/ has ever p.p.
This is the longest train that I have ever seen. (這是我見過最長的火車。)
This is the most interesting book that I have ever read.( 這是我看過有趣的書。)
＊Taipei is the biggest city in Taiwan. 台北是台灣最大的城市
= Taipei is bigger than any other city in Taiwan.
= Taipei is bigger than all the other cities in Taiwan.
= No other city in Taiwan is so big as Taipei.
= No other city in Taiwan is bigger than Taipei.
＊Time is the most important of all things.
= Time is more important than any other thing. 時間是最重要的