| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [vb mod] happen | 1194 |
|
| 2 | what [vb mod] happen | 1161 |
|
| 3 | [Wh det] would happen | 477 |
|
| 4 | [Wh det] will happen | 377 |
|
| 5 | [Wh det] might happen | 113 |
|
| 6 | [Wh det] can happen | 56 |
|
| 7 | [Wh det] could happen | 44 |
|
| 8 | which [vb mod] happen | 43 |
|
| 9 | [Wh det] 'll happen | 41 |
|
| 10 | [Wh det] may happen | 40 |
|
| 11 | [Wh det] should happen | 38 |
|
| 12 | [Wh det] [vb mod] to happen | 15 |
|
| 13 | [Wh det] used happen | 10 |
|
| 14 | [Wh det] must happen | 7 |
|
| 15 | whatever [vb mod] happen | 7 |
|
| 16 | [Wh det] ought happen | 5 |
|
