| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [verb] a disastrous effect | 5 |
|
| 2 | have [vb pp] [art] disastrous effect | 5 |
|
| 3 | have [verb] [art] disastrous effect | 5 |
|
| 4 | have [verb] a disastrous effect | 5 |
|
| 5 | have [verb] [art] disastrous effect | 5 |
|
| 6 | have had [art] disastrous effect | 5 |
|
| 7 | have have [art] disastrous effect | 5 |
|
