| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be required for [art] [noun sg] | 102 |
|
| 2 | be required for the [noun sg] | 79 |
|
| 3 | is required for [art] [noun sg] | 46 |
|
| 4 | are required for [art] [noun sg] | 23 |
|
| 5 | be required for a [noun sg] | 15 |
|
| 6 | be required for [art] [noun sg] | 14 |
|
| 7 | was required for [art] [noun sg] | 12 |
|
