| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [v-ing] [prep] the | 2566 |
|
| 2 | [Wh pn] [is] [v-ing] [prep] | 475 |
|
| 3 | [Wh pn] [is] [v-ing] the | 249 |
|
| 4 | [Wh pn] [is] [prep] the | 183 |
|
