| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] we have had a | 15 |
|
| 2 | [verb] we 've had a | 13 |
|
| 3 | think we have had a | 6 |
|
| 4 | know we have had a | 5 |
|
| 5 | know we have had a | 5 |
|
