| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv prt] [prep] the national [noun sg] service | 15 |
|
| 2 | [adv prt] [prep] the national [noun sg] service | 15 |
|
| 3 | [adv prt] [prep] the national [noun sg] service | 15 |
|
| 4 | [adv prt] [prep] the national health service | 14 |
|
| 5 | out [prep] the national [noun sg] service | 10 |
|
| 6 | [adv prt] of the national [noun sg] service | 10 |
|
| 7 | [adv prt] of the national [noun sg] service | 10 |
|
