| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | number of [noun] [verb] | 4184 |
|
| 2 | number of [noun] [vb pp] | 1561 |
|
| 3 | [noun] of [noun] required | 519 |
|
| 4 | [noun sg] of [noun] required | 439 |
|
| 5 | number of [noun] require | 85 |
|
| 6 | number of [noun] required | 81 |
|
| 7 | number [prep] [noun] required | 78 |
|
