1 Solar panels will be installed on the roof of our house by the electrician next week
2 The teacher asked us if we were going to meet our sister in front of the bus stop the day after
3 if you worked hard, you wouldn't be sacked from this company
4 John has not given a presentation since he was at university
5 Mai works the hardest in my class
6 Although my cousin took a taxi, she arrived late for the concert