1 He hoped that he would spend  next summer at the sea.
2 Mother said that she wanted to stay at home.
3 I knew that nothing special had happened to him.
4 It seemed to us that she was laughing at us.
5 Everyone knew that he was mistaken,but nobody dared to tell him about it.
6 She said that she had been waiting for her friend for 15 minutes.
7 They asked me what I would do on Saturday.
8 I wasn`t sure that he had spoken with his parents.
9 The coach explained to us that it was a very dangerous kind of sport.
10 My cousin promised to visit me in a week(that she would visit me in a week)
11 My father said that he didn`t know whether someone had called me because he hadn`t been in.
12 She said she didn`t want any coffee and she would like to drink some tea.
13 He informed us that the delegation would arrive around 3 p.m.
14 I wondered  what language they studied and whether they spoke English.
15 He realized that he had lost a great opportunity to earn some money.
16 She was worried because she didn`t know whether children would like the presents.
17 They said that the economic situation was worse than they had thought.
18 We hoped that it would be an interesting meeting.
19 My brother wrote me that he had entered the university.