We always study and revise Conditional sentences, Type Zero, Type I or possible condition, Type II or hypothetical condition and Type III or impossible condition and the tenses used in all these types.
But there are many words and expressions that can be used with a meaning similar to IF , (and with similar verb forms).
Some of the commonest are Provided, Providing, Supposing, As long as, So long as, On condition that, Unless.
So, in order to see the differences in meaning and use, study the following:
All these expressions mean: IF or ON CONDITION THAT | AS LONG AS or SO LONG AS You can use my car as long as / so long as you drive carefully. | (= you can use my car but you must drive carefully- ( this is the condition) |
PROVIDED (that)) or PROVIDING (that) Travelling by car is convenient provided (that) / providing (that) you have somewhere to park. Providing that / Provided that she stuies hard, she´ll pass her exams. | (= but only if you have somewhere to park) (= she must study hard_ if she does this, she will pass) | |
It means: EXCEPT IF IF……NOT | UNLESS We will be late unless we hurry | (= except if we hurry or If we don´t hurry) |
Now revise Conditional Clauses and make some conditional practice.
Conditional revision and extension:
Task:
Rewrite these sentences, the meaning should be the same as that in the sentence above. Use conditionals (other words than IF)
1. If I were your teacher, I´d make sure that everyone did the homework.
Were _______________________________________________________
2. If I had understood the problema, I´ d had done something about it.
Had _______________________________________________________
3. I won´t come if they don´t invite me.
Unless______________________________________________________
4. What would you do if he left you?.
Supposing ___________________________________________________
5. If you join the tennis club, I will too. (provided that)
I´ll ______________________________________________
6. We´re going to install a smoke alarm. There may be a fire. ( in case)
We __________________________________________________________
7. She won´t get that job if she doesn´t learn to speak French. (Unless)
She _________________________________________________________
8. If the policeman hadn´t been there, what would have happened?
Imagine______________________________________________________
9. I won´t go out this evening. John might ring. (in case)
I ____________________________________________________________
10. I´ll come at eight if that´s all right with you. (as long as )
I´ll __________________________________________________________
11. We won´t goa head with out you agreement.
Unless_______________________________________________________
12. We´ll start the meeting now, unless you object.
Provided _____________________________________________________
13. We´ll put up the Price if you don´t pay now.
Unless_____________________________________________________
14. We won´t accept the decisions unless everyone votes.
As long as ___________________________________________________
15. If you send us a letter, then we´ll accept your order.
Unless_______________________________________________________
16. The work will take a month, as long as there are no delays.
Provided _____________________________________________________
17. You can´t take the car now without paying .
As long as ___________________________________________________
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