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12099162 Kính chào các thầy, cô. Khi cài đặt phần mềm , trên PowerPoint và Word sẽ mặc định xuất hiện menu Bộ công cụ Violet để thầy, cô có thể sử dụng các tính năng đặc biệt của phần mềm ngay trên PowerPoint và Word. Tuy nhiên sau khi cài đặt phần mềm , với nhiều máy tính sẽ...
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ZERO AND FIRST CONDITIONALS & TIME CLAUSES

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Người gửi: Thẩm Tâm Vy
Ngày gửi: 15h:07' 14-09-2021
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ZERO AND FIRST CONDITIONALS; TIME CLAUSES
• IF clauses are sentences that present a situation or condition that may lead to a result:
if clause (condition) main clause (result)
If you mix blue and yellow you get green.
The order of these two clauses can be inverted:
- We`ll go for a swim in the lake if it doesn`t rain tomorrow.
ZERO CONDITIONAL
• If clauses type 0 are used when we describe a result occurring every time a particular condition takes place. With these general facts, we use the following verb tenses:
IF + Present simple (if clause) Present simple (main clause)
- If I`m late
- If there`s a fire you must call the police immediately.
- I usually go to work by car.
FIRST CONDITIONAL
• If clauses type 1 refer to a condition that w ill lead to a future result or consequence:
IF ♦ Present simple (if clause) will/ won`t - Base Form (main clause)
- If we are late we`ll have to call Mum.
- If you don`t train harder you won’t be able to win the race.
OTHER CONDITIONAL CONJUNCTIONS AND PHRASES
• as long as underlines the condition as being mandatory
(only if): more formal phrases with this meaning are provided / providing (that) and on condition (that):
- You can borrow my bike as long as you bring it back by tomorrow. (= only if you bring it back)
• In case is used to suggest that we do something when a certain situation occurs:
- I’ll bring my umbrella in case it rains. (= if this happens)
• Unless means if…not, but you only use it when the result will be stopped by the condition. It is always followed by an affirmative verb form. Compare these examples:
- You won’t pass the test unless you study harder.
OR: You won’t pass rhe test if you don’t study harder. (not: studying will stop you from passing)
- I`ll be surprised if he doesn’t pass the test. (not: unless he passes)
FUTURE TIME CLAUSES
• Time clauses referring to the future take Present Simple just like first conditional clauses.
The main time conjunctions are : when - as soon as - until / till - before - after:
- Don`t worry, I`ll call you as soon as the plane lands. (= right after landing)
- Will you go to univerity after you finish school? (or: ... after you`ve finished...)
Note!
• Of course the two clauses may be inverted. In fact, in questions they are ALWAYS inverted, so always look at the position ofifwhen, or other conditional conjunctions to choose the right tense:
- What will you do if you don’t find the keys anywhere?
- We’ll go for a walk unless it rains.
• Remember that you may also use an Imperative in the main clause for situations in which you suggest doing something. Study these examples:
- If you need any further information, do not hesistate to contact me.
- Call me when you have time, please.

PRACTICE
I. Underline the conditional and time conjunctions
1. Passengers can’t stand up
2. I won’t go unless
3. You mustn’t go windsurfing if
4. We`ll have to book a table
5. In case the temperature goes up
6. You can learn phrasal verbs as long
7. The PC will load the application
8. After you complete this course
A. call the doctor.
B. if we go to the restaurant on Saturday.
C. as you use them when you speak.
D. until the plane stops.
E. you`ll be moved to an advanced class.
F. it’s free.
G. you aren`t a good swimmer.
H. when you start the computer
II. Put the verb in brackets in the correct tense (affirmative, negative or interrogative form).
1. How (you / spend) .............your money if you (win) .............the lottery?
2. (disturb) .............your brother when he (sleep) ............., Dave.
3. If they (get) .............a new contract they (go) .............on strike.
4. You (feel) .............better as soon as you (drink) .............this herbal tea.
5. Unless he ............. (apologise) I (talk) .............to him any longer.
6. The parrot (bite) .............you as long as you (touch) .............it.
III. Complete the second sentence so that it has a similar meaning to the first using the word in brackets. You must use between 2 and 5 words.

1 If you stop smoking you`ll feel better, (unless)
2 I can`t do it until I get back home, (able)
3 He won`t come unless you invite him.
 
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