| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [to-vb] [prep] [adj] [noun sg] | 3667 |
|
| 2 | [vb pp] [to-vb] [prep] [adj] [noun sg] | 973 |
|
| 3 | required [to-vb] [prep] [adj] [noun] | 65 |
|
| 4 | required [verb] [prep] [adj] [noun sg] | 39 |
|
| 5 | require [to-vb] [prep] [adj] [noun sg] | 35 |
|
