| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a number of [noun pl] the | 37 |
|
| 2 | a number of [noun] the | 37 |
|
| 3 | a number of case the | 9 |
|
| 4 | a number of cases the | 9 |
|
| 5 | a number of years the | 6 |
|
| 6 | a number of year the | 6 |
|
