| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [to-vb] [adv] to | 188 |
|
| 2 | had [to-vb] [adv prt] to | 162 |
|
| 3 | [verb] [to-vb] down to | 160 |
|
| 4 | had [verb] down to | 88 |
|
| 5 | had [to-vb] down [prep] | 47 |
|
| 6 | have [to-vb] down to | 46 |
|
| 7 | [vb past] [to-vb] down to | 45 |
|
| 8 | had [to-vb] down to | 19 |
|
