Put the verbs in brackets into the correct tence form. the children (to prepare) the concert by the end of july? 2. they (to climb) the mountais two weeks ago. 3. you ever (to be) to the summer school of english? 4. what mark and steve (to do) at that time yesterday? 5. where they (to go) next month? 6. the girls (to discuss) the cultural presentation now?

1. Will the children have prepared the concert by the end of July?
2. They climbed the mountains two weeks ago.
3. Have you ever been to the summer school of English?
4. What were Mark and Steve doing at that time yesterday?
5. Where will they go next month?
6. Are the girls discussing the cultural presentation now?