| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] used to [be] | 1772 |
|
| 2 | he [vb mod] to [be] | 207 |
|
| 3 | he [modal v] to [be] | 207 |
|
| 4 | he used [prep] [be] | 135 |
|
| 5 | he used to [be] | 134 |
|
