| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | opting [adv prt] of the national health | 5 |
|
| 2 | opting [adv prt] of the national health | 5 |
|
| 3 | opting [adv prt] [prep] the national health | 5 |
|
| 4 | opting [adv prt] [prep] the national health | 5 |
|
| 5 | opting [adv prt] [prep] the national health | 5 |
|
| 6 | opting out [prep] the national health | 5 |
|
