| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | then there used [prep] be | 19 |
|
| 2 | then there used [prep] [be] | 19 |
|
| 3 | then there used [prep] [be] | 19 |
|
| 4 | then there used to [be] | 19 |
|
