| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there used to be [noun] [prep] | 10 |
|
| 2 | there used to be [noun pl] [prep] | 6 |
|
| 3 | there used to be [pron] [prep] | 5 |
|
| 4 | there used to be [indef pn] [prep] | 5 |
|
