| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] become second nature | 8 |
|
| 2 | [noun sg] become second nature | 6 |
|
| 3 | [adv] become second nature | 5 |
|
| 4 | [adv] become second nature | 5 |
|
| 5 | become second nature [prep] | 12 |
|
| 6 | become second nature [prep] | 12 |
|
| 7 | become second nature to | 9 |
|
| 8 | become second nature to | 9 |
|
