| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [v-ing] for | 1268 |
|
| 2 | [det] is [v-ing] | 1108 |
|
| 3 | [det] [v-ing] for | 290 |
|
| 4 | [det] is for | 252 |
|
