| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and it must have be [art] | 8 |
|
| 2 | and it must have be [art] | 8 |
|
| 3 | and it must have been [art] | 8 |
|
| 4 | and it must have be [art] | 8 |
|
| 5 | and it must have be a | 6 |
|
| 6 | and it must have be a | 5 |
|
