| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | reference was made [prep] [art] [noun sg] | 18 |
|
| 2 | reference was make [prep] [art] [noun sg] | 18 |
|
| 3 | reference was make [prep] [art] [noun sg] | 18 |
|
| 4 | reference was make to [art] [noun sg] | 15 |
|
| 5 | reference was make to [art] [noun sg] | 15 |
|
| 6 | reference was make [prep] the [noun sg] | 15 |
|
