| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | refer to [art] [noun sg] | 1801 |
|
| 2 | [am/are] to [art] [noun sg] | 87 |
|
| 3 | [am/are] refer to [art] | 74 |
|
| 4 | [am/are] refer to [noun sg] | 7 |
|
