RULES We use can, could and may to ask permission or make a request. We use can and may, but not could, to give permission. 'Can I buy a new phone, Dad?' 'No, you can't. 'Could I try this dress on?' 'Of course you can. ' May I pay by credit card?' 'Yes, you may More practice

national symbols represent pride and values of the country.

united states of america is third largest country by land area and world’s largest economy. it is also one of the most powerful countries of the world and one of the five permanent members of united nations security council.

united states of america has varied national symbols representing its culture, values and pride.

here are some symbols:

the bald eagle  is the national bird of usa.

the bald eagle was adopted as the national bird of united states in 1782. the bald eagle symbolizes strength, courage, freedom and immortality.

the bald eagle is represented in many important places including great seal, one-dollar bill, federal agency seals and president’s flag.

rose is the national flower of united states of america.

the congress, by senate joint resolution 159 accepted rose as the national floral emblem of united states of america. on november 20, 1986 president ronald reagan proclaimed rose as national floral emblem of united states of america.

oak tree is the national tree of united states of america.

oak tree was adopted as the national tree of united states in november 2004.

“the star-spangled banner” is the national anthem of united states of america.

the lyrics of the national anthem are taken from “defence of fort mchenry”, a poem written by francis scott key in 1914 and music is given by john stafford smith. “the star-spangled banner” was adopted as the national anthem on mar 3, 1931.