| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [prep] [art] [noun] | 1723 |
|
| 2 | [v-ing] [prep] [art] [noun] [is] | 453 |
|
| 3 | be [prep] [art] [noun] [is] | 10 |
|
| 4 | be [v-ing] [prep] [noun] [is] | 10 |
|
