| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] used to [be] | 532 |
|
| 2 | [noun pl] [vb mod] to [be] | 346 |
|
| 3 | [noun pl] [modal v] to [be] | 346 |
|
| 4 | [noun pl] used to [be] | 142 |
|
| 5 | [noun pl] used [prep] [be] | 142 |
|
