| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they must have [verb] a lot | 7 |
|
| 2 | they must have [verb] a lot | 7 |
|
| 3 | they must have [vb pp] a lot | 7 |
|
| 4 | they must have [verb] a lot | 7 |
|
