1) Tou should walk slowly. You sister can follow you => 2) We lower the volume of the radio. We don't want to bother our neighbours => 3) The rober changed his address all the time. He didn't want the police to find him => 4) The man spoke loudly. He wanted every body to hear him clearly

1) You should walk slowly. You sister can follow you

=>You should walk slowly so that Your sister can follow you

2) We lower the volume of the radio. We don't want to bother our neighbours

=> We lower the volume of the radio in order not to bother our neighbours

3) The rober changed his address all the time. He didn't want the police to find him

=>The rober changed his address all the time in order that the police couldn't find him

4) The man spoke loudly. He wanted every body to hear him clearly

=> The man spoke loudly so that every body could hear him clearly