| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] have happened [art] [adj] [noun sg] | 10 |
|
| 2 | [Wh det] have happened [art] [adj] [noun sg] | 8 |
|
| 3 | what have happened [art] [adj] [noun sg] | 8 |
|
| 4 | what have happened [art] [adj] [noun sg] | 8 |
|
| 5 | have happened [prep] [art] [adj] [noun sg] | 78 |
|
| 6 | have happened [prep] [art] [adj] [noun sg] | 78 |
|
| 7 | have happened in [art] [adj] [noun sg] | 30 |
|
| 8 | have happened in [art] [adj] [noun sg] | 30 |
|
| 9 | have happened to [art] [adj] [noun sg] | 20 |
|
| 10 | have happened to [art] [adj] [noun sg] | 20 |
|
| 11 | have happened at [art] [adj] [noun sg] | 11 |
|
| 12 | have happened at [art] [adj] [noun sg] | 11 |
|
| 13 | have happened [conj] [art] [adj] [noun sg] | 10 |
|
| 14 | have happened [subord] [art] [adj] [noun sg] | 8 |
|
| 15 | have happened on [art] [adj] [noun sg] | 5 |
|
| 16 | have happened on [art] [adj] [noun sg] | 5 |
|
| 17 | have happened [art] [adj] [noun sg] [adv] | 6 |
|
| 18 | have happened [art] [adj] [noun sg] [adv] | 6 |
|
| 19 | have happened [art] [adj] [noun sg] ago | 5 |
|
| 20 | have happened [art] [adj] [noun sg] ago | 5 |
|
