Переведите на российский язык предложения, обращая внимание на формы причастия.The channel

Переведите на российский язык предложения, обращая внимание на формы причастия.The channel linking two rivers is being built now.Having waited for him for half an hour they went home.The man showing us the weather map is our professor.The achieved results influenced the whole experiment.All developed countries improve living conditions of people.The methods offered by our specialists are very effective.Not knowing the rule well I couldnt use it in the test.The competition being held attracted everybodys attention.The house built in our street is eight stories high.Being asked the way to the station the woman explained it to the tourists.The task set wasnt an easy one.I spent most of the time answering questions.Well done the device will function properly.Having been given due attention the problem was successfully solved.The results obtained showed the situation of the system under conditions given above.