| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [pron] is [adv] happening | 11 |
|
| 2 | [conj] [pron] is [adv] happen | 9 |
|
| 3 | [coord] [pron] is [adv] happen | 7 |
|
| 4 | [conj] [pers pn] is [adv] happen | 6 |
|
| 5 | [conj] what is [adv] happen | 6 |
|
| 6 | [conj] what is [adv] happen | 6 |
|
| 7 | [conj] it is [adv] happen | 6 |
|
| 8 | [conj] it is [adv] happen | 6 |
|
| 9 | [conj] [Wh det] is [adv] happen | 6 |
|
