| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [noun sg] be to [be] | 1621 |
|
| 2 | [noun sg] be required to [be] | 30 |
|
| 3 | [art] [noun sg] be required to | 18 |
|
| 4 | [art] [noun sg] required to [be] | 12 |
|
