| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] [art] student ' union | 18 |
|
| 2 | [noun sg] [prep] [art] student ' union | 15 |
|
| 3 | [verb] [prep] [art] student ' union | 7 |
|
| 4 | [vb pp] [prep] [art] student ' union | 5 |
|
