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British climate is very changeable and unpredictable but the forecasts for the future are even less certain. Speculations suggest that Britain 1) [has experienced|will experience|had experienced|must experience] warmer, drier summers and milder winters. Climate scientists admit that, based on the observable evidence, the average temperatures 2) [are going to|must|have to|should] rise even though not much faith can be put in those predictions. The general message is: what has happened to the atmosphere can't be undone overnight. But 3) [can|will|shall|ought] we panic? The Climate Change Committee says that there is no need to panic now and nothing catastrophic 4) [is going to|has|happened|is about to] happen the next minute. At the same time, experts warn that if we do not get the situation right, the general expectation is that future generations 5) [must|have to|are to|should] walk into a disaster. What we see today is that after a severe flood in Nottingham people 6) [are about to|shall|will|are going to] act and to invest money in defense schemes. Forecasts based on mere prediction suggest that rainfall 7) [is going to increase|is about to increase|will increase|must increase] by 25–30% by 2050 although there is no certainty about this. However, nobody 8) [is going to| must|will|is about to] press a panic button because scientists are not sure what the future 9) [should|will|is about to|is going to] offer. It is almost impossible to understand what 10) [has happened|happens| will happen|is happening] next. In any case, it is easier said than done until the forecasts 11) [become |shall become|will become|has become] more certain.