| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | used [prep] be in | 92 |
|
| 2 | used [prep] be in | 92 |
|
| 3 | used [prep] [be] in | 92 |
|
| 4 | used [prep] [be] in | 92 |
|
| 5 | used to [be] in | 92 |
|
