Исправить предложения: 1)i have saw this film last weekend; 2)i has already read this book.​

1) i saw this film last weekend;

2) i have already read this book.

1 i saw this film last week.

2 i have already read this book.

The environment of st. petersburg is far from ideal. negative factors such as air pollution by automobile exhaust, noise and other lead to a deterioration in the quality of life in the city and the deterioration of the health of the inhabitants.according to statistics, 96% of st. petersburg residents living in high and very high levels of air pollution.one million residents of st. petersburg live in conditions with a high content of noise. from them 700 thousand people suffer from the noise of vehicles and about 300 thousand people - from the noise of the railway transport.

Dear mr. and mrs. smith i am writing you a letter with my impression of our living together for 3 weeks. i really like the room which you gave me. it was full of different paints. it was really amazing. i also morning exercise and dinner. i never eat this dishes. they are much more health than dishes which we eat at home everyday. i was also learnt english language better than at school. and today i know more lexical words and phrasal verbs. thank you for it. i invite you to me, to my small town, where i can teach you the russian language.