Translate the following sentence into english ?

1。when he comes back
2. when i arrive at rail station
3. when he comes in
4. when i just arrive there
5. when she are hearing about the bad news
6. if it doesn't rain tomorrow
7. unless you work hard
8. if i am free
9. if you have mobile phone

有很多种翻译的，不知道你需要的句型是什麽？

1,when he comes back ,
2,whne i arrive at the station
3,when he comes in
4,when i got there,
5,as aoon as she hear this bad news ,
6,if it doesn't rain
7,unless you study harder ,
8,if i have time
9,if you've mobile phone .

是我自己翻译的，没用翻译器，不会有语法错误

1.（是他回来时吧？）When he returns 或者 when he comes back

2. When I arrive at the train station

3. When he comes in

4. Right when I got there

5. Right when she heared this bad news

6. If it doesn't rain tomorrow

7. Only if you do your best at studying

8. If I have time