Определите функцию герундия в предложениях: 1) on hearing the fire alarm, go straight to the nearest exit 2) i remembe having seen him be fore. 3) her greatest pleasure was traveling. 4)distinguishing between cause and effect is cometimes very difficult. 5) he has a bad habit of smoking before breakfast.

1) On hearing the fire alarm, go straight to the nearest exit. Обстоятельство.
2) I REMEMBEr HAVING SEEN HIM BEFORE. Прямое дополнение.
3) Her greatest pleasure was traveling. Часть составного именного сказуемого.
4) Distinguishing between cause and effect is sometimes very difficult. Подлежащее.
5) He has a bad habit of smoking before breakfast. Косвенное дополнение.