| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [is] [prep] | 143 |
|
| 2 | [v-ing] [is] [prep] | 143 |
|
| 3 | [verb] [is] for | 138 |
|
| 4 | [v-ing] [be] for | 17 |
|
| 5 | [v-ing] [is] for | 8 |
|
