| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they have [verb] a number of | 6 |
|
| 2 | they have [verb] a number [prep] | 6 |
|
| 3 | they have [verb] a number [prep] | 6 |
|
| 4 | they have [verb] a number of | 6 |
|
