| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] used to be | 131 |
|
| 2 | [coord] [modal v] to be | 74 |
|
| 3 | [coord] used [prep] be | 17 |
|
| 4 | [coord] used to [be] | 17 |
|
| 5 | [coord] used [prep] be | 17 |
|
| 6 | [coord] used to be | 17 |
|
