1.My brother used to go to work by bus.

2.Despite his experience in machinery,he didn't succeed in repairing this machine.

3.In spite of the difficulty,we did the test well.

4.Although his life was hard at that time, he studied very well.
5.Though the weather is bad, we are going to have a picnic

VII)

1 . My brother used to go to work by bus

2 . Despite having much experiences in machinery , he didn't succeed in repairing this machine

3. In spite of being difficult , we did the test well 

4 . Although he studied very well , his life was hard at this time

5 . Though the weather is bad , we are going to have a picnic