Comparatives and superlatives

Watch the video to make sure you remember how to use comparatives and superlatives in English. Complete the text with the comparative form of the given adjectives: big, dangerous, expensive, green, quiet. Hybrids cars have two engines: a petrol engine and an electric engine. Consequently, they are more expensive to make and to buy, but more fuel efficient. They are also quieter than conventional cars -for this reason, some people think they are more dangerous for pedestrians, because they don't hear the hybrids coming. Hybrid conduction is more energy-intensive than conventional cars, so are they really greener, or is their carbon footprint actually bigger? Complete the text with the comparative form of the given adjectives: harmful, high, polluting, small. Well, it's true that producing hybrids, especially their batteries, is more harmfulfor the environment than manufacturing conventional vehicles. However, over a lifetime of 250,000 km, a hybrid is a lot less pollluting. The difference is so big that, despite higher emissions during production, its carbon footprint is still more than 30% smaller than that of a conventional car. Complete the statements with the superlative form of the following adjectives: comfortable, fast, long, popular, slow. 1. The fastest production car in the world can do over 400 kilometres per hour (kph).2. The longest train service in the world is from Moscow to Vladivostok.3. The most popular colour for cars in the UK is silver.4. The slowest bus services in the world are in New York City, with speeds as low as 3.5 miles per hour (mph).5. The most comfortable economy-class airline seat in the world is on Qatar Airways.