| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | begin to think of [adj] | 9 |
|
| 2 | begin to think [prep] [det] | 6 |
|
| 3 | begin to think [prep] [adj] | 6 |
|
| 4 | began to think [prep] [adj] | 6 |
|
