1.They (to be)looking for a better position
2.Tom`s idea(to be)to get there by air
3.He couldn`t visit their party because he(to be)to meet his mother a the station
4.moviemaking (o be)an art
5.Everybody knew he(to be)to become a doctor as his father
6.I(not to be)going to stop,I`ll continue my research
Answers & Comments
3.He couldn`t visit their party because he was to meet his mother at the station.
4.Moviemaking is an art
5.Everybody knew he was to become a doctor as his father.
6.I am not going to stop, I`ll continue my research.