| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [prep] [v-ing] | 2583 |
|
| 2 | is [prep] [v-ing] | 2583 |
|
| 3 | be for [v-ing] | 279 |
|
| 4 | [be] for [v-ing] | 279 |
|
| 5 | [is] for [v-ing] | 134 |
|
| 6 | is for [verb] | 80 |
|
| 7 | is for [v-ing] | 79 |
|
