Conditional sentences - Information and practice

CONDITIONAL SENTENCES

If Clause Type 0
if + Simple Present, Simple Present

• Type 0 indicates what happens, every time a certain situation is given. 
• It reflects a fact or general truth, so it’s in general likely to happen.

Examples:
If you reduce your costs, you obtain more profits.
If your customers phone your company, the receptionist answers the phone.

If Clause Type I
if + Simple Present, will-Future

• Type I indicates what will happen, provided that a certain situation is given.
• It is possible and also very likely that the condition will be fulfilled.

Examples:
If you send your order by fax, we will deliver the goods immediately.
If you invite me for lunch, I will help you with your presentation.

If Clause Type II
if + Simple Past, would + infinitive

• Type II indicates what could happen if a present situation were different.
• It is possible but very unlikely, that the condition will be fulfilled.

Examples:
If we had more employees, we would work more efficiently.
If we delivered poor quality, we would not be the leading company in our business.

If Clause Type III
if + Past Perfect, would + have + past participle

• Type III indicates what could have happened in the past if a situation had been different then.
• It is impossible that the condition will be fulfilled because it refers to the past.

Examples:
If you had read the paper, you would have seen the advertisement.
If I had taken the bus, I would have been late.

Complete the sentences.

1. If your conditions are competitive, we (place) _____ an order immediately. 
2. Whenever the photocopier (be)  _______  out of order, we have more photocopies than ever to do.
3. If I had more time, I (do)  _______  a course in business English. 
4. If we had known more about their culture, negotiating (be)   _________ easier. 
5. If you (customize) ________ your CV, your chances of getting a job will be better. 
6. If there (be) _________ a fire, you call the fire brigade.
7. We (cancel)  ________ our order if you don't deliver the goods by Friday. 
8. If Brittany (speak) ________ better English, she would apply for a job abroad. 
9. If you (tell) ________  me about the problem, I would have helped you. 
10. As long as our customers (remain) ________  loyal to our brand, we don’t see any problems ahead.
11. I (let) ________ you know if I weren't satisfied. 
12. If you execute the order carelessly, they (place / not) ________ another order with you in the future. 
13. If I were you, I (worry / not) _______ about the presentation. 
14. Our company would improve its sales if our prices (be) _______ more competitive.
15. We wouldn’t have gone bankrupt if we (listen) ________   to our financial advisors sooner.
16. Unless you (press) _________ that bottom, the machine doesn’t work.
17. We will set up another meeting on condition that the main point of discussion (be) ________ outsourcing our production.

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