| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to be [vb pp] at [det] | 210 |
|
| 2 | [v-ing] to be [vb pp] at | 37 |
|
| 3 | [v-ing] to be [vb pp] [det] | 19 |
|
| 4 | [v-ing] to be at [det] | 5 |
|
