| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have [verb] down | 61 |
|
| 2 | who have [vb pp] down | 60 |
|
| 3 | [pron] have broken down | 25 |
|
| 4 | who have broken [adv] | 13 |
|
| 5 | who have broken [adv prt] | 8 |
|
| 6 | who [verb] broken down | 5 |
|
| 7 | who have broken down | 5 |
|
| 8 | who have break down | 5 |
|
