| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] or [vb -s] at | 7 |
|
| 2 | or [noun sg] [vb -s] at | 14 |
|
| 3 | or [noun] [vb -s] at | 14 |
|
| 4 | or gcse [vb -s] at | 6 |
|
| 5 | or gcse [vb -s] at | 6 |
|
