| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be in [noun sg] | 18928 |
|
| 2 | be [v-ing] [noun sg] | 9839 |
|
| 3 | be [v-ing] in | 8739 |
|
| 4 | [v-ing] in [noun sg] | 6903 |
|
