| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [verb] to be | 12985 |
|
| 2 | [adv] [vb past] to be | 1102 |
|
| 3 | [adv] happen to be | 189 |
|
| 4 | [adv] happened to [be] | 74 |
|
| 5 | [adv] happened [prep] be | 74 |
|
