| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be required for [adj] | 144 |
|
| 2 | be [verb] for these | 86 |
|
| 3 | be [vb pp] for these | 74 |
|
| 4 | be required for [det] | 69 |
|
| 5 | be required [prep] these | 11 |
|
| 6 | [be] required for these | 5 |
|
| 7 | be require for these | 5 |
|
| 8 | be required for these | 5 |
|
