| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] [adv prt] [prep] | 817 |
|
| 2 | [be] [v-ing] [adv prt] [prep] | 817 |
|
| 3 | [be] [v-ing] [adv prt] at | 518 |
|
| 4 | [be] [verb] [adv prt] at | 323 |
|
| 5 | [be] [v-ing] [adv] at | 105 |
|
| 6 | [be] [v-ing] [adv prt] at | 55 |
|
