Put the verbs in the brackets into the present perfect, past simple, past continuous, or past perfect. 1. last summer we (live) in the country and (go) to the river every day. 2. my sister (spend) a lot of money yesterday. 3. she is so upset: she (lose) the key to the front door. 4. by the 1st of september all the children (return) from he country. 5. columbus (discover) america 500 years ago.