| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] to be [adv] | 10279 |
|
| 2 | [vb past] to be [adv] | 1731 |
|
| 3 | happen to be [adv] | 114 |
|
| 4 | happened to [be] [adv] | 59 |
|
| 5 | happened [prep] be [adv] | 59 |
|
