| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | reason for the [noun sg] [prep] | 365 |
|
| 2 | reason for the [noun] of | 261 |
|
| 3 | reason for the [noun] [prep] | 238 |
|
| 4 | reasons for the [noun] [prep] | 139 |
|
| 5 | reason for the [noun] in | 68 |
|
| 6 | reason for the decline [prep] | 16 |
|
| 7 | reason for the decline [prep] | 15 |
|
| 8 | reason for the failure [prep] | 15 |
|
| 9 | reason for the failure [prep] | 14 |
|
| 10 | reason for the increase [prep] | 14 |
|
| 11 | reason for the increase [prep] | 14 |
|
| 12 | reason for the [noun pl] [prep] | 12 |
|
| 13 | reason for the [noun] on | 12 |
|
| 14 | reason for the [noun] between | 11 |
|
| 15 | reason for the lack [prep] | 11 |
|
| 16 | reason for the existence [prep] | 11 |
|
| 17 | reason for the existence [prep] | 11 |
|
| 18 | reason for the lack [prep] | 11 |
|
| 19 | reason for the [noun] to | 10 |
|
| 20 | reason for the popularity [prep] | 9 |
|
| 21 | reason for the growth [prep] | 9 |
|
| 22 | reason for the popularity [prep] | 9 |
|
| 23 | reason for the growth [prep] | 9 |
|
| 24 | reason for the choice [prep] | 8 |
|
| 25 | reason for the choice [prep] | 8 |
|
| 26 | reason for the development [prep] | 7 |
|
| 27 | reason for the rise [prep] | 7 |
|
| 28 | reason for the development [prep] | 7 |
|
| 29 | reason for the rise [prep] | 7 |
|
| 30 | reason for the use [prep] | 6 |
|
