| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that [be] happening | 69 |
|
| 2 | that be happening | 69 |
|
| 3 | that [is] happening | 31 |
|
| 4 | that [was/were] happening | 24 |
|
| 5 | that 's happening | 21 |
|
| 6 | that was happening | 16 |
|
| 7 | that [am/are] happening | 14 |
|
| 8 | that are happening | 14 |
|
| 9 | that is happening | 10 |
|
| 10 | that were happening | 8 |
|
