| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [adv] happen [prep] [art] | 13 |
|
| 2 | [vb -s] [adv] happened [prep] [art] | 13 |
|
| 3 | [vb -s] [adv] happen [prep] [art] | 13 |
|
| 4 | has [adv] happen [prep] [art] | 12 |
|
| 5 | [vb -s] [adv] happen [prep] the | 11 |
|
| 6 | [vb -s] [adv] happen [prep] the | 11 |
|
| 7 | [vb -s] [adv] happen in [art] | 7 |
|
| 8 | [vb -s] [adv] happen in [art] | 7 |
|
