| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adj] reason for [det] [noun] | 26 |
|
| 2 | be several reason for [adj] [noun] | 7 |
|
| 3 | be several [noun] for [det] [noun] | 7 |
|
| 4 | be several reason [prep] [det] [noun] | 6 |
|
| 5 | [be] several reason for [det] [noun] | 6 |
|
