| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [verb] [is] that [art] | 51 |
|
| 2 | [vb mod] [vb infin] [is] that [art] | 50 |
|
| 3 | [vb mod] happen [is] that [art] | 8 |
|
| 4 | [vb mod] happen [is] that [art] | 7 |
|
| 5 | [vb mod] happen [be] that [art] | 7 |
|
| 6 | [vb mod] happen [is] [conj] [art] | 7 |
|
| 7 | [vb mod] happen [is] [that] [art] | 7 |
|
| 8 | [modal v] happen [is] that [art] | 7 |
|
