Cassandra´s dream

10 had hadn´t been would stop didn´t have to had bought wouldn´t be 11  If  only/ I wish I could afford those books. If only/I wish Melanie wouldn´t borrow my clothes without asking. I wish I hadn´t forgotten to buy my mum´s birthday present. If only / I wish  I disdn´t have to go to th supermarket, If only / I wish my parents would lend me some money. 12 stopped unless needed would buy provided that bought if wanted I´d swap if consume will reduce will simplify had started had known would have given it up

9   Whenever We have to use goggles whe never we enter the lab. Whenever we enter the lab, we have to use goggles. 10  Whether or not ( con verbo en afirmativa) They will invest in the project whether or not   it makes a lot of money. Whether or no t it makes a lot of money, they will invest in the project. Exercise 2 1 As long as The research will continue as long as there is enough money. As long as there is enough money, the research will continue. 2 Only if ( pueden separarse, no como unless,  only...if) Only vote if you like this person. Vote only if you like this person. 3 Otherwise You will need access to the Internet, otherwise you will not be able to do the quiz. 4 Provided that This experiment is likely to succeed provided that we follow all the steps correctly. Provided that we follow all the steps correctly, this experiment is likely to succeed. 5 Providing that Providing that I have all my data, I will finish my thesis

Using would as as a kind of past tense of will or going to is common in reported speech: She said that she would buy some eggs. ("I will buy some eggs.") The candidate said that he wouldn't increase taxes. ("I won'tincreasetaxes.") Why didn't you bring your umbrella? I told you it would rain! ("It'sgoingto rain.") We often use would not to talk about past refusals: He wanted a divorce but his wife would not agree. Yesterday morning, the car wouldn't start. We sometimes use would (rather like used to ) when talking about habitual past behaviour: Every weekday my father would come home from work at 6pm and watch TV. Every summer we'd go to the seaside. Sometimes she'd phone me in the middle of the night. We would always argue. We could never agree. would for the future in past When talking about the past we can use would to express something that ha

IF, EVEN IF, ONLY IF, AS LONG AS, PROVIDED, SUPPOSING, UNLESS, BUT FOR, IF NECESSARY, IF SO, IN CASE etc. IF and WHEN When can replace if in zero conditionals: If you heat water to 100 degrees Celsius, it boils. When you heat water to 100 degrees Celsius, it boils. In the other types of conditionals, we cannot use when instead of if . EVEN IF Even if emphasises that something will happen, would happen or would have happened whatever the condition: Even if we leave right now , we still won't catch the train. I wouldn't go into the water even if I could swim . Even if we had booked our flight earlier , it wouldn't have been cheaper. ONLY IF Only if makes the condition more restrictive: Acetaminophen is dangerous to children only if dosage is too high. If the if -clause is first, the subject and the auxiliary in the main clause are inverted: Only if you like classical music  is it worth coming tonight. SO/AS LONG AS, PROVIDING/PROVIDED