備戰(zhàn)2020中考英語總復習資料
［正］ he left after two weeks.
［析］ 要表達"在多少時間之后"，英語中有兩種表達法，即：用later時，要時間在前，如three hours later; 而用after時要時間在后，如after three hours.
［誤］ my father will be back after a few hours.
［正］ my father will be back in a few hours.
［析］ 受中文的影響，這個介詞常常被誤用。當你要表達在一段時間內(nèi)某個動作可以完成時，一定要用in，而不能用after，因為after是指在某一時間之后。例如：this work will be done in two days. 即表明在兩天內(nèi)這一工作一定會做完。而如用了after，即表示在兩天之后，完成的時間是不確定的。
after behind
after多用于表示順序的前后，如：she walked in the line after tom. 或用來表示"追趕"，表示一種動態(tài)，如：he ran after mary. 而behind多用于強調(diào)先進與落后，如：she is much behind the other girls in sewing. 或者用于表達"遲于"，如：the train was ten minutes behind the time table. 或者與表示靜態(tài)的動詞連用，如：she hid herself behind the flowers.
afternoon
［誤］ he worked very hard in a hot afternoon.
［正］ he worked very hard on a hot afternoon.
［析］ 習慣用的詞組in the afternoon, 如果加入任何修飾詞后其前面的介詞in都要改為on，不論其修飾詞在前還是在后，如：he swam in this river on the afternoon of june lst. 又如：are you free on sunday afternoon?
against
［誤］ he against me.
［正］ he is against me.
［析］ 要注意against意為"反對"，但它在英文中卻不是動詞，而是介詞，如要講反對某事或某人時則要加動詞be, 如：he is against somebody/something.
against for
against意為"反對"、"不贊成"；而for則意為"同意"，為其反意詞。如：are you for or against the plan?
age
［誤］ he is twenty years old of age.
［正］ he is twenty.
［正］ he is twenty years old.
［正］ he is at the age of twenty.
ago
［誤］ tom's father has been dead five years ago.
［正］ tom's father died five years ago.
［析］ ago意為由說話時算起，若干時間以前。它只能和一般動詞過去時連用，而不要與完成時連用。
［誤］ yesterday i met a friend. we didn't see each other for a long time since we left the college twenty years ago.
［正］ yesterday i met a friend. we hadn't seen each other for a long time since we left the college twenty years ago.
［析］ 要注意的是在本句是ago是用在由since引起的從句之中，只是從句應(yīng)用過去時，但不影響主句的時態(tài)。
agree
［誤］ does the teacher agree to us?
［正］ does the teacher agree with us?
［誤］ does he agree with our plan?
［正］ does he agree with us?
［析］ agree with 指"同意某人的提議、建議、計劃"等。如果要講同意某項計劃則要用agree to, 如：do you agree to the plan?
all
［誤］ the old man has two sons. all of them are workers.
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