| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a reason for | 70 |
|
| 2 | [prep] a reason for | 70 |
|
| 3 | be a reason for | 67 |
|
| 4 | [be] a reason for | 67 |
|
| 5 | as a reason for | 62 |
|
| 6 | as a reason for | 62 |
|
| 7 | [verb] a reason for | 58 |
|
| 8 | [be] a reason for | 27 |
|
| 9 | be a reason for | 27 |
|
| 10 | [adv] a reason for | 25 |
|
| 11 | have a reason for | 20 |
|
| 12 | [is] a reason for | 20 |
|
| 13 | [was/were] a reason for | 17 |
|
| 14 | was a reason for | 15 |
|
| 15 | is a reason for | 14 |
|
| 16 | [adv] a reason for | 13 |
|
| 17 | give a reason for | 12 |
|
| 18 | [vb past] a reason for | 12 |
|
| 19 | [pron] a reason for | 11 |
|
| 20 | [not/n't] a reason for | 11 |
|
| 21 | not a reason for | 11 |
|
| 22 | not a reason for | 11 |
|
| 23 | [noun] a reason for | 9 |
|
| 24 | [vb base] a reason for | 9 |
|
| 25 | [v-ing] a reason for | 9 |
|
| 26 | [vb infin] a reason for | 9 |
|
| 27 | find a reason for | 8 |
|
| 28 | provide a reason for | 7 |
|
| 29 | [vb pp] a reason for | 7 |
|
| 30 | [conj] a reason for | 6 |
|
