| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they must have have [art] | 14 |
|
| 2 | they must have have [art] | 14 |
|
| 3 | they must have had [art] | 14 |
|
| 4 | they must have have a | 13 |
|
| 5 | they must have have a | 13 |
|
