| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | required to give [noun sg] | 17 |
|
| 2 | required to provide [noun sg] | 16 |
|
| 3 | required to make [noun sg] | 15 |
|
| 4 | required [to-vb] evidence | 14 |
|
| 5 | required to produce [noun sg] | 12 |
|
| 6 | required [to-vb] information | 12 |
|
| 7 | required to take [noun sg] | 12 |
|
| 8 | required to have [noun sg] | 11 |
|
| 9 | required to ensure [noun sg] | 7 |
|
| 10 | required to attend [noun sg] | 5 |
|
| 11 | required to restore [noun sg] | 5 |
|
| 12 | required to achieve [noun sg] | 5 |
|
| 13 | required to obtain [noun sg] | 5 |
|
| 14 | required [to-vb] optimality | 5 |
|
| 15 | required [to-vb] part | 5 |
|
| 16 | required to maintain [noun sg] | 5 |
|
| 17 | required to operate [noun sg] | 5 |
|
| 18 | required to pay [noun sg] | 5 |
|
| 19 | required to establish [noun sg] | 5 |
|
| 20 | required to undergo [noun sg] | 5 |
|
