| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] at the [noun] | 179 |
|
| 2 | should be [v-ing] the [noun] | 63 |
|
| 3 | should be at the [noun] | 30 |
|
| 4 | should be [v-ing] at the | 10 |
|
| 5 | should be [v-ing] at [noun] | 7 |
|
