| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a number of reasons [adv] [adj] | 8 |
|
| 2 | [art] number of reasons [adv] [adj] | 8 |
|
| 3 | [art] number of reasons [adv] [adj] | 8 |
|
| 4 | a number of reasons [adv] [adj] | 8 |
|
| 5 | number of reasons [adv] [adj] [noun] | 6 |
|
