| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [subord] [pron] used to [be] | 60 |
|
| 2 | [noun] [conj] it used to [be] | 43 |
|
| 3 | [noun] [subord] it [modal v] to [be] | 30 |
|
| 4 | [noun] [subord] it used [prep] [be] | 29 |
|
