| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | about [noun] | 26729 |
|
| 2 | about [noun pl] | 6036 |
|
| 3 | [prep] students | 2494 |
|
| 4 | [prep] students | 2494 |
|
| 5 | about student | 24 |
|
| 6 | about students | 7 |
|
