| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to [noun pl] at the [noun sg] | 70 |
|
| 2 | to [noun pl] at a [noun sg] | 13 |
|
| 3 | to students at [art] [noun sg] | 6 |
|
| 4 | to [noun pl] at [art] end | 5 |
|
