| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] be [verb] [prep] the | 12227 |
|
| 2 | [prep] be [vb pp] [prep] the | 11731 |
|
| 3 | [prep] be required [prep] [art] | 19 |
|
| 4 | [prep] be required [prep] [art] | 19 |
|
| 5 | [prep] be require [prep] the | 14 |
|
| 6 | [prep] [be] required [prep] the | 14 |
|
| 7 | [prep] be required [prep] the | 14 |
|
