Tiếng Anh 12 - Zero and first conditionals & time clauses

Nội dung text: Tiếng Anh 12 - Zero and first conditionals & time clauses

1. - What will you do if you don’t find the keys anywhere? ZERO AND FIRST CONDITIONALS; TIME CLAUSES - We’ll go for a walk unless it rains. • IF clauses are sentences that present a situation or condition that may lead to a result: • Remember that you may also use an Imperative in the main clause for situations in if clause (condition) main clause (result) which you suggest doing something. Study these examples: If you mix blue and yellow you get green. - If you need any further information, do not hesistate to contact me. The order of these two clauses can be inverted: - Call me when you have time, please. - We'll go for a swim in the lake if it doesn't rain tomorrow. ZERO CONDITIONAL PRACTICE • If clauses type 0 are used when we describe a result occurring every time a I. Underline the conditional and time conjunctions particular condition takes place. With these general facts, we use the following verb 1. Passengers can’t stand up tenses: 2. I won’t go unless IF + Present simple (if clause) Present simple (main clause) 3. You mustn’t go windsurfing if - If I'm late 4. We'll have to book a table - If there's a fire you must call the police immediately. 5. In case the temperature goes up - I usually go to work by car. 6. You can learn phrasal verbs as long FIRST CONDITIONAL 7. The PC will load the application • If clauses type 1 refer to a condition that w ill lead to a future result or consequence: 8. After you complete this course IF ♦ Present simple (if clause) will/ won't - Base Form (main clause) A. call the doctor. - If we are late we'll have to call Mum. B. if we go to the restaurant on Saturday. - If you don't train harder you won’t be able to win the race. C. as you use them when you speak. OTHER CONDITIONAL CONJUNCTIONS AND PHRASES D. until the plane stops. • as long as underlines the condition as being mandatory E. you'll be moved to an advanced class. (only if): more formal phrases with this meaning are provided / providing (that) and on F. it’s free. condition (that): G. you aren't a good swimmer. - You can borrow my bike as long as you bring it back by tomorrow. (= only if you H. when you start the computer bring it back) II. Put the verb in brackets in the correct tense (affirmative, negative or • In case is used to suggest that we do something when a certain situation occurs: interrogative form). - I’ll bring my umbrella in case it rains. (= if this happens) 1. How (you / spend) your money if you (win) the lottery? • Unless means if not, but you only use it when the result will be stopped by the 2. (disturb) your brother when he (sleep) , Dave. condition. It is always followed by an affirmative verb form. Compare these examples: 3. If they (get) a new contract they (go) on strike. - You won’t pass the test unless you study harder. 4. You (feel) better as soon as you (drink) this herbal tea. OR: You won’t pass rhe test if you don’t study harder. (not: studying will stop you from 5. Unless he (apologise) I (talk) to him any longer. passing) 6. The parrot (bite) you as long as you (touch) it. - I'll be surprised if he doesn’t pass the test. (not: unless he passes) III. Complete the second sentence so that it has a similar meaning to the first using FUTURE TIME CLAUSES the word in brackets. You must use between 2 and 5 words. • Time clauses referring to the future take Present Simple just like first conditional clauses. 1 If you stop smoking you'll feel better, (unless) You you stop smoking The main time conjunctions are : when - as soon as - until / till - before - after: 2 I can't do it until I get back home, (able) I do it when I get home. 3 He won't come unless you invite him. (long) - Don't worry, I'll call you as soon as the plane lands. (= right after landing) He you invite him. 4 Don't play with the knife or you’ll get hurt, (if) You play with the knife. - Will you go to univerity after you finish school? (or: after you've finished ) 5 Pat may feel thirsty so bring some water, (case) Bring some water thirsty. Note! 6 I'll tell you when you can come, (until) • Of course the two clauses may be inverted. In fact, in questions they are ALWAYS 7 Eat your hamburger before it gets cold, (if) Do you. inverted, so always look at the position ofifwhen, or other conditional conjunctions to 8 I can’t call you until I top up. (after) Your hamburger will get eat it choose the right tense: I I have topped up Thẩm Tâm Vy, September 13th, 2021 ZERO-CONDITION ALS
2. IV. Are these sentences right (√) or wrong (X)? Correct the wrong ones. ANSWER KEY 1. Unless you don't pay attention you won’t understand anything.  I. 2. I’ll take a day off unless my boss says it is ok.  1.D (until) – 2.F (unless) – 3.G (if)– 4.B if– 5.A (in case) – 3. You won’t have any problems as long as you listen to me.  6.C (as long as)– 7.H (when) – 8.E (after) 4 .They won't leave if it'll be cloudy.  II. 5 .Call the police in case a thief will get in.  1. will you spend / win – 2. don't disturb / sleeps – 3. don't get / will go – 6. Don't open the door until the train stops completely.  4. will feel / drink – 5. apologises / won't talk – 6. won't bite / don't 7. The device will be substituted on condition that you show the receipt.  touch 8. The alarm will go off as soon as it'll detect smoke.  III. 1. won't feel better unless – 2. will be able to – 3. will come as long as – 4. will get hurt if you – 5. some in case Pat feels – 6. not come until I tell – 7. cold if you don't – 8. will call you after IV. Wrong ones and corrections: 1. unless you pay - 2. as long as / if – 3. √ 4. if it is cloudy – 5. in case a thief gets in – 6. √ 7. √ 8. as soon as it detects Thẩm Tâm Vy, September 13th, 2021 ZERO-CONDITION ALS