| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] to be | 13651 |
|
| 2 | to be [prep] | 9097 |
|
| 3 | [vb base] be [prep] | 2999 |
|
| 4 | [vb base] to [prep] | 190 |
|
