| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [v-ing] for | 1678 |
|
| 2 | [verb] [v-ing] for | 1519 |
|
| 3 | [verb] [is] [v-ing] | 621 |
|
| 4 | [verb] [is] for | 138 |
|
