| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] is [prep] [v-ing] the | 111 |
|
| 2 | [pers pn] is [prep] [v-ing] at | 40 |
|
| 3 | [pers pn] is [v-ing] at the | 20 |
|
| 4 | is [prep] [v-ing] at the | 16 |
|
| 5 | [pers pn] [prep] [v-ing] at the | 13 |
|
