The function of the Gerund:

Swimming is useful for health. (плавание полезно для здоровья

a. he is having a bath

b. no, thanks. i don't eat ice-cream.

c. we can't play tennis because it is raining.

d. i don't understand what you are saying.

e. what are you doing tonight?  

this is my room! my room is nice and light. there is a big carpet. there is a little table in the middle of the room. there is a bed in the wall. there are cushions on the bed. there is a picture on the wall. there is a chandelier on the ceiling.

1. you should  try to find out as many facts as possible about this expedition to the antarctic. 2. the team of experts is to analyze the present situation connected with our city's ecological problems. 3. the young engineer was allowed to apply the mobile equipment in his field experiments. 4. this production process had to be further improved by new technical means. 

1. вы должны попытаться узнать так много фактов насколько возможно об этой экспедиции в антарктику. 2. команда экспертов должна проанализировать текущую ситуацию, связанную с экологическими проблемами нашего города. 3. молодому инженеру разрешили применить мобильное оборудование в его полевых экспериментах. 4. этот производственный процесс должен был быть далее улучшен новыми техническими средствами. 

вроде правильно, но не уверена, а перевод