| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [unc] [pron] used to be | 32 |
|
| 2 | erm [pron] used to [be] | 9 |
|
| 3 | erm [pron] used to [be] | 9 |
|
| 4 | erm [pron] used to be | 9 |
|
| 5 | erm [pron] [modal v] to be | 9 |
|
| 6 | erm [pron] used [prep] be | 9 |
|
