I (notice) that with one hand they (hold) a net while the other hand they (control) their boats. Suddenly,a fish(get) caught in their net.

I noticed that with one hand they were holding a net while with the other hand they were controlling their boats. Suddenly, a fish got caught in their net.

I noticed that with one hand they were holding a net while the other hand they were controlling their boats. Suddenly,a fishgot caught in their net.