| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [prep] [noun] | 1648 |
|
| 2 | [v-ing] [prep] [noun] [is] | 684 |
|
| 3 | be [prep] [noun] [is] | 27 |
|
| 4 | be [v-ing] [prep] [is] | 23 |
|
| 5 | be [v-ing] [noun] [is] | 5 |
|
