| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [pron] used to [be] | 254 |
|
| 2 | [noun] [pron] used to [be] | 164 |
|
| 3 | [noun] [subord] [pron] used to | 84 |
|
| 4 | [noun] [subord] [pron] to [be] | 19 |
|
