| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [vb past] [adv] [verb] | 6126 |
|
| 2 | they [vb past] [adv] [vb infin] | 3507 |
|
| 3 | [pron] [vb past] [adv] happen | 82 |
|
| 4 | they [verb] [adv] happen | 12 |
|
| 5 | they [vb past] [adv] happen | 8 |
|
