Chuyển câu theo yêu cầu sao cho nghĩa không đổi

1 if the sun shines ,we will walk into town
=>unless
=>so
should
2 if he has a fever ,he'll see the doctor
=>unless
=>so
​should
3 if my friends come,i will be very happy
=>unless
=>so
​should
4 she will fly to new york if she earns a lot of money
=>unless
=>so
​should
5 will visit the museums if we travel to london
=>unless
=>so
​should