Раскройте скобки, употребив нужное время.

1) I (to stay) with some American friends in Chicago. I (to stay) with them for two weeks now. I (to have) a great time here. I (to take) the opportunity to improve me English. I already (to see) the towering skyscrapers of Chicago which are reflected in the rippling water of lake Michigan. I just (to take) a picture of Chicago's Sears Tower which (to rise) 1,707 feet and (to provide) a panoramic view from the skydeck.
2) I (to go) to give that cat some food / I (to be) sure it (to starve)/ - But Jane already (to feed) the cat/ You needn't do it.