| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [ex0] must have be [art] | 87 |
|
| 2 | [ex0] must have [been] [art] | 87 |
|
| 3 | there must have [be] [art] | 87 |
|
| 4 | [ex0] must have been [art] | 87 |
|
| 5 | [ex0] must have [be] [art] | 87 |
|
| 6 | [ex0] must have [be] [art] | 87 |
|
| 7 | [ex0] must have [be] a | 85 |
|
| 8 | [ex0] must have [be] [art] | 85 |
|
| 9 | [ex0] must have [be] a | 75 |
|
| 10 | [ex0] must have [be] an | 10 |
|
