用snow on the hills this month (last month)造过去时和现在时的句子?

用snow on the hills this month (last month)造过去时和现在时的句子?还有sheep in the fields this week (last week)造过去时和现在时的句子?ice on the lake today(a few days ago)造过去时和现在时的句子?apples on the trees this year(last year)造过去时和现在时的句子?water in the reservoir now(two years ago)造过去时和现在时的句子?workmen in the road this week(a fortnight ago)造过去时和现在时的句子?a block of flats here now(five years ago)造过去时和现在时的句子?women in the race these days(a few years ago)造过去时和现在时的句子?