| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [vb -s] be [v-ing] | 899 |
|
| 2 | [noun prp] be [v-ing] at | 483 |
|
| 3 | [vb -s] be [v-ing] at | 89 |
|
| 4 | [noun prp] [vb -s] be at | 45 |
|
| 5 | [noun prp] [vb -s] [v-ing] at | 10 |
|
