2. Read the sentences. Write PC (present continuous) or PS (present simple).
1) I sometimes visit my grandmother.
2) Listen! They're singing.
3) My mother usually cooks plov at the weekend
4) My brother is watching TV right now.
5) Talways get up at seven o'clock and I never have breakfast.​

Jack London,...agreat American novelist, was born in San Francisco and spenthis first years of life there.
John London,..the... father of...the... family, left...his farm and moved totown. He tried a lot of trades, but couldn't make enough money to send...his ..children to school. Jack London had to begin earning...for living at...an...early age. He sold morning and evening papers inthestreets at...the age of fourteen he began working in factory He worked eighteen to twenty hoursa day. Then he becamea sailor. Jack London traveleda...lot. He had to do very hard work, but he also reada... lot and tried to get...an...education. He went toschool and to..a University. In addition he read...a...lot of books on History and Philosophy. Jack London's ambition was to becomeawriter.
Later London went to...the...Far North of America. He didn't bring
back any gold from there, but he brought something much better thantheyellow metal. It wasa... book of stories about life in...the North. He had realizedhis... ambition, he had becomea... writer.

A
Утвердительная форма Present Perfect образуется
I,we,they,you have +неправильный глагол в третьей форме( или правильный глагол с окончанием ed)
He,she,it has +неправильный глагол в третьей форме( или правильный глагол с окончанием ed)

Отрицательная форма Present Perfect образуется
I,we,they,you have not (haven't) +неправильный глагол в третьей форме( или правильный глагол с окончанием ed)
He,she,it has not (hasn't)  +неправильный глагол в третьей форме( или правильный глагол с окончанием ed)

1 I haven't seen the Atlantic
2)We haven't seen New York
3) You haven't seen London
4)They haven't seen Buckingham Palace
5) He hasn't seen the Tower of London 
6)She hasn't seen the Moscow Kremlin