| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [pers pn] used to [be] | 334 |
|
| 2 | [coord] [pers pn] used to [be] | 84 |
|
| 3 | but [pers pn] [modal v] to [be] | 32 |
|
| 4 | but [pron] used to [be] | 25 |
|
| 5 | but [pers pn] used to [be] | 18 |
|
| 6 | but [pers pn] used [prep] [be] | 18 |
|
