| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [be] thinking about | 28 |
|
| 2 | had [be] thinking about | 15 |
|
| 3 | had [adv] [be] thinking | 13 |
|
| 4 | had [adv] [be] about | 6 |
|
