| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] [Wh det] [pron] used to be | 34 |
|
| 2 | [not/n't] [Wh det] they [modal v] to be | 13 |
|
| 3 | [not/n't] [Wh det] they [vb mod] to be | 13 |
|
| 4 | [adv] [Wh det] they used to be | 12 |
|
| 5 | [not/n't] [pron] they used to be | 12 |
|
| 6 | [not/n't] [Wh det] they used to [be] | 12 |
|
| 7 | [not/n't] [Wh det] they used to be | 12 |
|
| 8 | [not/n't] [Wh det] they used [prep] be | 12 |
|
