| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] [to-vb] [prep] [det] | 841 |
|
| 2 | be require [to-vb] [prep] [adj] | 58 |
|
| 3 | be require [verb] [prep] [det] | 29 |
|
| 4 | [be] require [to-vb] [prep] [det] | 24 |
|
| 5 | be require [to-vb] [prep] [det] | 24 |
|
