| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to do [pron] [prep] | 1316 |
|
| 2 | had [pron] [prep] | 1123 |
|
| 3 | had to do [pron] | 239 |
|
| 4 | had to do [prep] | 93 |
|
