1. подчеркните инфинитив (the infinitive), укажите его функцию в предложении. the professor wants you to take part in the investigation. the conference to be held in london is sure to arouse the interest of foreign scientists. to learn new english words is important. dan persuaded me to include this article into the list. i've never been to iceland but i'd like to go there. 2. подчеркните герундий (the gerund), укажите его функцию в предложении. the storm prevented the ship from reaching the port in time. he did not like being read to. she doesn't allow smoking in the house. swimming against the current was difficult and dangerous work. be careful in crossing the street.

1. The Professor wants you to take part in the investigation. (прямое дополнение)
The conference to be held in London is sure to arouse the interest of
foreign scientists. (часть составного именного сказуемого, часто составного глагольного сказуемого)
To learn new English words is important. (подлежащее)
Dan persuaded me to include this article into the list. (прямое дополнение)
I've never been to Iceland but I'd like to go there. (часть составного глагольного сказуемого).

2.  The storm prevented the ship from reaching the port in time. (предложное дополнение)
He did not like being read to. (прямое дополнение)
She doesn't allow smoking in the house. (прямое дополнение)
Swimming against the current was difficult and dangerous work. (подлежащее)
Be careful in crossing the street. (обстоятельство)