| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be a reference to [noun] | 16 |
|
| 2 | [is] a reference to [noun] | 9 |
|
| 3 | [be] a reference to [noun prp] | 8 |
|
| 4 | is a reference to [noun] | 7 |
|
