21.   He suddenly had trouble breathing, and paramedics could not revive him.

22.   He was having trouble breathing and thought about the possibility he might die.

23.   Humans and animals would have severe trouble breathing.

24.   His mother, whom he affectionately portrays as a victim of the diet paradox, gets so fat that she has desperate trouble breathing.

25.   I might have found her candor refreshing, except I was having trouble breathing.

26.   If he was having trouble breathing, it did not show, and he had not even prepared a pep talk.

27.   I tried to go to school and began to have trouble breathing.

28.   Instead, the tape revealed a sad, angry and, ultimately, terrified little girl who screamed often that she was having trouble breathing.

29.   It said the patient complained of dizziness and trouble breathing.

30.   Kovalsky had experienced some trouble breathing since August, but by mid-fall she developed chest pains.