| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | think about [v-ing] [adv] to | 10 |
|
| 2 | think about [v-ing] [adv prt] to | 9 |
|
| 3 | think about [v-ing] back to | 6 |
|
| 4 | think about [v-ing] [pron] to | 6 |
|
| 5 | think about [v-ing] back to | 6 |
|
