| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [verb] a [noun] of | 5724 |
|
| 2 | [verb] [verb] a period of | 35 |
|
| 3 | have [verb] a period [prep] | 25 |
|
| 4 | have [verb] a period [prep] | 25 |
|
| 5 | have [verb] [art] period of | 24 |
|
| 6 | have [verb] a period of | 21 |
|
