| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | think [pron] [modal v] [verb] [pron] | 1942 |
|
| 2 | think [pers pn] [modal v] [verb] [pron] | 1912 |
|
| 3 | [verb] i [modal v] [verb] [pron] | 1660 |
|
| 4 | think i [modal v] [verb] [pron] | 647 |
|
