4. The schoolchildren sowed some seeds, but they forgot to water them so they didn’t grow.
 
→ If the children ………………………………………………………..
 
5. They don’t understand the problem. They won’t find a solution
 
→ If they …………………………………………………………….
 
6. He sits around too much. He isn’t fit.
 
→ If he ……………………………………