例句：by taking exercise， we can always stay healthy.adj + as + subject(主词)+ be，这些太有用了， s + v(虽然...)例句：rich as our country is， the qualities of our living are by no means satisfactory.考研复试英语句式，虽然我们的国家富有，我们的生活品质绝对令人不满意。例: so precious is time that we can’t afford to waste it....
