成考考試中英語也是非常讓考生頭疼的一個科目，除了需要記憶單詞外，還有更麻煩的就是英語語法的學習。那么，英語中有哪些語法是經常被誤用的呢？如：不定式、副詞、所有格、虛擬語氣、介詞、分詞等等，小編收集整理了這些英語語法的一些正誤用法比較，考生可參考學習。
      不定式
      1、中文：為了準時，我們加快了步伐。
      (誤)So as to be in time we hurried.
      (正)In order to be in time we hurried.(so as to只可放在句中，in order to可放在句首或句中。)
      2、中文：你說這些話真傻。
      (誤)It"s very foolish for you to say so.
      (正)It"s very foolish of you to say so.(表示評價的形容詞被帶邏輯主語的不定式修飾時，介詞要用of.)
      3、中文：你沒有告訴他們永遠不要做那件事嗎?
      (誤)Didn"t you ask them to never do that?
      (正)Didn"t you ask them never to do that?(never要放在to之前。)
      4、中文：你沒有告訴他們永遠不要做那件事嗎?
      (誤)Here is a new book for you to read it.
      (正)Here is a new book for you to read.(作形容詞用法的帶邏輯主語的不定式for you to read的賓語，實際上就是它所修飾的new book，其后不可再加賓語。)
      副詞
      1、中文：這塊石頭太大了沒人能舉起它。
      (誤)Here is a so big stone that no one can lift it.
      (正)Here is so big a stone that no one can lift it.(so是副詞，修飾形容詞，形式是so+形容詞+a+單數可數名詞。)
      2、中文：這花多美啊!
      (誤)What beautiful the flower is!
      (正)How beautiful the flower is!(how用來修飾副詞或形容詞，而what用來修飾名詞。)
      3、中文：這工作永遠不會被完成。
      (誤)This job will be never finished.
      (正)This job will never be finished.(頻率副詞在第一個助動詞后。)
      4、中文：我的弟弟比我高多了。
      (誤)My brother is very taller than I.
      (正)My brother is much taller than I.(very不能修飾比較級;much可以修飾比較級。)
      5、中文：我想我七點會在餐廳里見到她。
      (誤)I think I"ll meet her at 7：00 at the restaurant.
      (正)I think I"ll meet her at the restaurant at 7：00.(地方副詞在時間副詞前。)
      6、中文：這房間對你夠大的。
      (誤)This room is enough large for you.
      (正)This room is large enough for you.(enough作副詞，在被修飾的形容詞后。)
      所有格
      1、中文：你做完功課了嗎?
      (誤)Have you done homework?
      (正)Have you done your homework?(表示做功課用do one"s homework.)
      2、中文：那些是我們老師的一些書。
      (誤)Those are some books of our teacher.
      (正)Those are some books of our teacher"s.(應用雙重所有格形式。)
      3、中文：這是我弟弟約翰的書。
      (誤)This is my brother John book.
      (正)This is my brother John"s book.(John是brother的同位語，John的書用John"s book.)
      虛擬語氣
      1、中文：我要是你，我不會那么做。
      (誤)I shouldn"t do that if I was you.
      (正)I shouldn"t do that if I were you.(表示與現在事實相反的虛擬語氣不能用was，只能用were.)
      2、中文：要是我父親現在在這里，他會告訴我該做什么。
      (誤)If my father were here now，he will tell me what to do.
      (正)If my father were here now，he would tell me what to do.(表示與現在事實相反的虛擬語氣中，主句的助動詞只能用would，might等過去時。)
      3、中文：要是我知道她的電話號碼，我就會給她打電話了。
      (誤)If I knew her telephone number，I would have called her.
      (正)If I had known her telephone number，I would have called her.(表示與過去事實相反的虛擬語氣中，條件從句的動詞要用過去完成時。)
      4、中文：要是昨天沒下雨她也許會來。
      (誤)If it had not rained yesterday，he might come.
      (正)If it had not rained yesterday，he might have come.(表示與過去事實相反的虛擬語氣中，主句的動詞要用助動詞的過去時might，could等+HAVE+過去分詞。)
      5、中文：我不認為我會失敗，但要是我失敗了，我會再努力。
      (誤)I don"t think that I shall fail. But if I failed，I would try again.
      (正)I don"t think that I shall fail. But if I should fail，I would try again.(表示與將來事實相反的虛擬語氣中，條件從句的動詞用should加原形動詞。)
      介詞
      1.中文：瓊斯先生住在皇后街十號。
      (誤)Mr. Jones lives on 10 Queen Street.
      (正)Mr. Jones lives at 10 Queen Street.(at+門牌號，on+街道名稱;兩者同時出現以門牌號碼為準。)
      2.中文：他喜歡在太陽下坐著。
      (誤)He likes to sit under the sun.
      (正)He likes to sit in the sun.(在太陽下用介詞in.)
      3.中文：面包是由麥子制成的。
      (誤)Bread is made of wheat.
      (正)Bread is made from wheat.(由…制成，of用于成品保持原有性質;from用于成品不再保持原有性質。)
      4.中文：每個人都知道他。
      (誤)He is known by everyone.
      (正)He is known to everyone.(be known to是習慣用法，表示為…所熟知。)
      5.中文：我們有麻煩。
      (誤)We are with trouble.
      (正)We are in trouble.(有麻煩用in trouble.)
      6.中文：他將于七月五日去美國。
      (誤)He will go to America in July 5.
      (正)He will go to America on July 5.(on與某一天連用。)
      7.中文：他將于七月五日去美國。
      (誤)He left home in the morning of 11th.
      (正)He left home on the morning of 11th.(morning和某日連用時用on.)
      分詞
      1、中文：他理發了。
      (誤)He had his hair to be cut.
      (正)He had his hair cut.(have，get+賓語+過去分詞表示使…被。)
      2、中文：他喜歡喝涼開水。
      (誤)He likes to drink boiling water.
      (正)He likes to drink boiled water.(現在分詞表示主動，boiling water指正在沸騰的水;過去分詞表示完成，boiled water指沸騰過的水。)
      3、中文：由于做飯，他看上去累了。
      (誤)He looked tiring with cooking.
      (正)He looked tired with cooking.(tiring表示令人疲倦的，tired表示人被弄疲倦了。)
      4、中文：我不能讓別人明白我的意思。
      (誤)I couldn"t make myself understand.
      (正)I couldn"t make myself understood.(過去分詞表示被動，make myself understood表示使我被別人明白。)
      5、中文：昨天早上我上學時見到了我的一個朋友。
      (誤)I was walking to school yesterday morning，I met a friend of mine.
      (正)Walking to school yesterday morning，I met a friend of mine.(前一句如作時間從句缺連詞，后一句分詞構句表時間。)