| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | referred to [art] [adj] [noun pl] | 18 |
|
| 2 | referred to the [adj] [noun pl] | 18 |
|
| 3 | referred to the [adj] [noun pl] | 18 |
|
| 4 | referred to [art] [adj] services | 5 |
|
