| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | irrespective of whether they | 16 |
|
| 2 | irrespective [prep] whether they | 16 |
|
| 3 | irrespective [prep] whether they | 16 |
|
| 4 | irrespective [prep] whether they | 16 |
|
| 5 | irrespective of whether they | 16 |
|
