| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of students [verb] [pos pn] | 16 |
|
| 2 | of students [verb] their | 15 |
|
| 3 | of students [to-vb] [pos pn] | 7 |
|
| 4 | of students [v-ing] [pos pn] | 5 |
|
