| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] to | 448417 |
|
| 2 | [vb pp] to | 138844 |
|
| 3 | have to | 20805 |
|
| 4 | had [prep] | 1697 |
|
| 5 | had [prep] | 1696 |
|
| 6 | had to | 458 |
|
