| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] are the key to [noun] | 7 |
|
| 2 | [noun pl] are the key to [noun] | 5 |
|
| 3 | are the key to [adj] [noun] | 7 |
|
| 4 | are the key to [art] [noun] | 6 |
|
| 5 | are the key to the [noun] | 6 |
|
| 6 | are the key to [art] [noun] | 6 |
|
| 7 | are the key to the [noun] | 6 |
|
