| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [adv prt] at | 518 |
|
| 2 | [vb -s] be [v-ing] [adv prt] | 463 |
|
| 3 | [vb -s] be [v-ing] at | 89 |
|
| 4 | [vb -s] be [adv prt] at | 7 |
|
| 5 | [vb -s] [v-ing] [adv prt] at | 5 |
|
