1.b> , i> 1) , i> / , ; ; ; we must have been burgled while we were asleep , ; her parents died while she was still at school , ; she met Andy while working on a production of Carmen "" ; while I was waiting at the bus stop, three buses went by in the opposite direction , ;
2) i> , ; ; would you look after the children while I do the shopping? , ? you can go swimming while I'm having lunch , ; he always listens to the radio while he's driving to work , ; she told her "while there was life there was hope" , , ;
2.b> , i> / , ; ; ; she is dark, while her sister is fair , ; some countries are rich, while others are extremely poor , / ; while Tom's very good at science, his brother is absolutely hopeless , ;
3.b> i> , ; ; while there was no conclusive evidence, most people thought he was guilty , / , ; while never a big eater, he did snack a lot , / , ; while I am willing to help, I do not have much time available , / , .