| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] happen be | 87 |
|
| 2 | [adv] happen [be] | 81 |
|
| 3 | [adv] happen [is] | 57 |
|
| 4 | [adv] happen is | 57 |
|
| 5 | actually happen [be] | 34 |
|
| 6 | actually happen [be] | 34 |
|
| 7 | [adv] happens [be] | 29 |
|
| 8 | [adv] happened [be] | 27 |
|
| 9 | [adv] happen [was/were] | 27 |
|
| 10 | [adv] happen was | 26 |
|
| 11 | really happen [be] | 13 |
|
| 12 | really happen [be] | 13 |
|
| 13 | [adv] happening [be] | 12 |
|
| 14 | [adv] happened [be] | 11 |
|
| 15 | usually happen [be] | 7 |
|
| 16 | [adv] happen [be] | 7 |
|
| 17 | usually happen [be] | 7 |
|
| 18 | often happen [be] | 6 |
|
| 19 | often happen [be] | 6 |
|
| 20 | not happen [be] | 5 |
|
| 21 | [not/n't] happen [be] | 5 |
|
