like: If there → →
2135
I get lonely if there's nobody to talk to. ☊ 
Tôi thấy cô đơn nếu không có ai để nói chuyện. ☊ happy (about sb/sth): If there's anything you're not happy about, come and ask. ☊ happy ☊
Inform me at once if there are any changes in her condition. ☊ inform ☊
If there's any food left over, put it in the fridge. ☊ over ☊
The policy is likely to be reversed if there is a change of government. ☊ reverse ☊
show sth to sb: If there's a letter from France please show it to me. ☊ show ☊