| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be in [noun] | 24495 |
|
| 2 | be [v-ing] [noun] | 19720 |
|
| 3 | [v-ing] in [noun] | 13509 |
|
| 4 | be [v-ing] in | 8739 |
|
