| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that is [vb pp] [verb] | 72 |
|
| 2 | that is [vb pp] [to-vb] | 68 |
|
| 3 | that is needed [verb] | 22 |
|
| 4 | that is required [verb] | 10 |
|
| 5 | that is bound [verb] | 7 |
|
