| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and [noun sg] of service | 114 |
|
| 2 | [coord] [noun sg] of services | 65 |
|
| 3 | [coord] [noun sg] of service | 64 |
|
| 4 | [coord] quality of service | 25 |
|
| 5 | [coord] length of service | 14 |
|
| 6 | or [noun sg] of service | 14 |
|
| 7 | [coord] level of service | 7 |
|
