| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] [pron] used to [be] | 117 |
|
| 2 | [noun] there used to [be] | 35 |
|
| 3 | [noun sg] there [modal v] to [be] | 28 |
|
| 4 | [noun sg] there used [prep] [be] | 27 |
|
