| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] used to be [verb] | 239 |
|
| 2 | they [vb mod] to be [verb] | 71 |
|
| 3 | they [modal v] to be [verb] | 71 |
|
| 4 | they used to [be] [verb] | 26 |
|
| 5 | they used [prep] be [verb] | 26 |
|
| 6 | they used to be [verb] | 26 |
|
