| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] to [prep] | 226 |
|
| 2 | to sleep [prep] | 109 |
|
| 3 | [vb infin] to sleep | 90 |
|
| 4 | [vb infin] sleep [prep] | 5 |
|
