| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] the | 8598 |
|
| 2 | is [vb pp] the | 1373 |
|
| 3 | is required [art] | 12 |
|
| 4 | is required [art] | 12 |
|
| 5 | is require the | 11 |
|
| 6 | [be] required the | 8 |
|
| 7 | be required the | 8 |
|
| 8 | is required the | 7 |
|
| 9 | [is] required the | 7 |
|
