| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [prep] [adj] | 20027 |
|
| 2 | is [v-ing] [prep] | 8820 |
|
| 3 | is [prep] [adj] | 3449 |
|
| 4 | is [v-ing] [adj] | 1722 |
|
