| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] to be | 16991 |
|
| 2 | to be [prep] | 9097 |
|
| 3 | [vb -s] be [prep] | 2881 |
|
| 4 | [vb -s] to [prep] | 139 |
|
