| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [is] [prep] [v-ing] | 137 |
|
| 2 | [det] [is] [prep] [v-ing] | 137 |
|
| 3 | [det] [be] for [v-ing] | 30 |
|
| 4 | [adj] [is] for [v-ing] | 27 |
|
| 5 | [det] [is] for [verb] | 23 |
|
| 6 | [det] [is] for [v-ing] | 23 |
|
