| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] think about | 616 |
|
| 2 | [vb mod] [be] think | 608 |
|
| 3 | [vb mod] think about | 332 |
|
| 4 | [vb mod] [be] about | 188 |
|
