Переведите предложения:

1. Plaid Cymru was formed in 1925 and won its first seat in the UK Parliament in 1966.

2. Because Plaid does not receive any funding from industry or trade unions, the main function of the local branches is to raise money.

3. The British constitution is unwritten.

4. The head of government is a prime minister, usually the leader of the party with the largest representation in the House of Commons.

5. Members of the House of Commons are elected from local constituencies for a five-year terms, although it can be shortened if the government calls an election before the full five years are up, or extended in a national emergency.