| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | three [adj] reason for [verb] | 8 |
|
| 2 | three [adj] reason for [verb] | 8 |
|
| 3 | [adj] main reason for [verb] | 7 |
|
| 4 | three main [noun] for [verb] | 7 |
|
| 5 | three main reason for [verb] | 5 |
|
| 6 | three main reason [prep] [verb] | 5 |
|
| 7 | three main reason [prep] [verb] | 5 |
|
| 8 | three main reason for [verb] | 5 |
|
