| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] at [adj] | 842 |
|
| 2 | be [v-ing] [noun sg] at | 236 |
|
| 3 | [v-ing] [noun sg] at [adj] | 203 |
|
| 4 | be [v-ing] [noun sg] [adj] | 202 |
|
| 5 | be [noun sg] at [adj] | 93 |
|
