| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that [be] why [pron] [verb] | 1537 |
|
| 2 | that be why [pron] [verb] | 1534 |
|
| 3 | that [is] why [pron] [verb] | 1425 |
|
| 4 | that is [adv] [pron] [verb] | 402 |
|
| 5 | that is [Wh adv] [pron] [verb] | 367 |
|
| 6 | [det] is why [pron] [verb] | 357 |
|
| 7 | [adj] is why [pron] [verb] | 357 |
|
| 8 | that is why [pron] [verb] | 251 |
|
| 9 | that is why [pron] [verb] | 251 |
|
