1)Her cold was caused by getting soaked in the rain. on
Her getting soaked in the rain. (5 words)
2) It is possible that the trains were delayed.
may
The trains . (4 words)
3)Half the team caught ku last week.
came
Half the team ku last week. (3 words)
4)
It seems that the rain is going to last for a long time.
set
The rain . (3 words)
5)It was a mistake not to warn them about the snowstorm.
have
We them about the snowstorm. (3 words)
6)You can borrow my car but you must bring it back tomorrow morning.
unless
You you bring it back tomorrow morning.(5 words)