張愛紅
how long主要用來提問動(dòng)作延續(xù)了多長時(shí)間,答語通常用“for + 一段時(shí)間”、 “since + 時(shí)間點(diǎn)”或since引導(dǎo)的時(shí)間狀語從句。問句和答語中的謂語動(dòng)詞通常為延續(xù)性動(dòng)詞。例如:
—How long can I keep this book? 這本書我能借多長時(shí)間?
—For two weeks. 兩周。
how long也可以用來詢問長度。例如:
—How long is the bridge? 這座橋有多長?
—About 1,000 metres. 大約1,000米。
how often用來提問動(dòng)作發(fā)生的頻率,即“多久一次”,答語通常為表示頻率的詞語。例如:
—How often do you go back home? 你多久回家一次?
—Once a week/Often/Sometimes. 一周一次/經(jīng)常/有時(shí)。
how soon用來詢問“過多久”動(dòng)作才發(fā)生,謂語動(dòng)詞常為終止性動(dòng)詞,時(shí)態(tài)多為將來時(shí),答語通常為“in + 一段時(shí)間”。例如:
—How soon will you get here? 你還有多大一會(huì)能到這里?
—In five minutes. 五分鐘以后。
how far用來詢問兩地之間的距離“有多遠(yuǎn)”。例如:
—How far is it from your home to your factory? 你家離你的工廠有多遠(yuǎn)?
—About twenty minutes walk. 步行大約20分鐘。
[跟蹤練習(xí)] 從A,B,C,D中選擇正確答案。
1. —______ does your brother go to the cinema?
—Twice a month.
A. How many times B. How soon
C. When D. How often
2. —______ will the shirt be ready?
—In about two days.
A. How soon B. How many
C. How often D. How long
3. —______ do I have to take the medicine?
—Every six hours.
A. How many hours B. How often
C. How soon D. How long
4. —______ will they come back from Shanghai?
—In three days.
A. How long B. How soon
C. How often D. How far
5. —______ did he stay there?
—Five days.
A. How many B. How long C. When D. What time
6. —______ has Tom lived in Dalian?
—Since 1999.
A. How soon B. How often
C. How much D. How long
7. —______ is this road?
—About 3,000 metres.
A. How long B. How much C. How many D. How often
8. —______ is it from Beijing to Zhengzhou?
—Its about 5 hours train now.
A. How long B. How many C. How often D. How far
Key: 1-5 DABBB6-8 DAD