| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [is] [to-vb] | 861 |
|
| 2 | [is] [to-vb] that | 722 |
|
| 3 | [noun prp] [is] that | 433 |
|
| 4 | [noun prp] [to-vb] that | 292 |
|
