| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have thought about this | 12 |
|
| 2 | [verb] thought about this | 12 |
|
| 3 | [vb base] thought about this | 8 |
|
| 4 | 've thought about this | 5 |
|
| 5 | thought about this [noun] | 5 |
|
| 6 | thought about this [noun sg] | 5 |
|
