| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had taken a | 327 |
|
| 2 | has taken a | 232 |
|
| 3 | have taken a | 120 |
|
| 4 | have taken a | 91 |
|
| 5 | 've taken a | 40 |
|
| 6 | 'd taken a | 37 |
|
| 7 | to have taken a | 25 |
|
| 8 | having taken a | 18 |
|
| 9 | 's taken a | 7 |
|
