| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [vb -s] be [v-ing] at | 15 |
|
| 2 | [noun prp] [vb -s] been [v-ing] at | 15 |
|
| 3 | [noun prp] has be [v-ing] at | 13 |
|
| 4 | [noun prp] [vb -s] be looking at | 5 |
|
