حروف ربط علت و تضاد

Conjunction حروف ربط	موارد کاربرد	مثال
although (even) though whereas while	تضاد بین ۲ ایده را نشان می دهد	Although she's small, she's very strong. John is short, whereas Mary is tall.
because as since	رابطه علت و معلولی را نشان می دهند	I lost my job because I was often late. Since I have no money, I can't go to the movie.

 

جملات داده شده راحروف داده شده با يكديگر تركيب كنيد

گزينه صحيح را انتخاب كنيد

Prepositions & Conjunctions of Time - for / during / while / when

For

مدت زمان انجام شدن كا ررا نشان مي دهدfor

- We're ging to live in Malta for 6 months.
- She's in New York for a few days.
- We went to Saudi Arabia for a week.

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While / During

هردو زمان انجام كار را نشان مي دهد

- My phone rang while I was in a meeting.
- My phone rang during the meeting.

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during

بعد از during اسم يا عبلرت اسمي به كار مي رود

- We were busy during the weekend.
- During the night the cat woke me up.
- The Athenians suffered heavy losses during the battle of Salamis.

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while

بعد از حرف ربط while  فعل و فاعل مي آيد

- We went shopping while you were sleeping.
- You shouldn't eat while you are in the library.
- While I was working I got an email from Tamara.

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When / While

 را هرگاه 2 كار همزمان اتفاق مي افتد استفاده مي كنيمWhen وwhile

هرگاه دو كار زمان بر در يك زمان انجام شود معمولا از whileاستفاده مي كنيم

- "While you were studying I went out shopping." Studying and shopping are actions.

هر گاه دو امر كوتاه مدت لحظه اي اتفاق مي افتد معمولا از whenاستفاده مي كنيم

- "When I saw you I didn't recognize you." I saw you and I didn't recognize you are individual events.
- I heard you when you opened the door.

"While I saw you I didn't recognize you."

هر گاه در موقعيت زمان بري هستيم و در آن زمان  امري لحظه اي (كوتاه مدت)اتفاق مي افتد از هر دو واژه استفاده مي كنيم

- "When I was in Rome I met my wife." - "While I was in Rome I met my wife."
- "I cut myself while I was cooking dinner." - "I cut myself when I was cooking dinner."

 

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لينك هاي تمرين و تست مرتبط با مو ضوع

http://www.1-language.com/englishcoursenew/unit47_grammar_exs.htm

http://www.boostyourenglish.net/exercices/exercices/226016.htm