| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [conj] they happen to [be] | 11 |
|
| 2 | [adv] [conj] they happen to [be] | 11 |
|
| 3 | [conj] they happen to [be] [verb] | 9 |
|
| 4 | [conj] they happen to [be] [v-ing] | 5 |
|
