| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | about [subord] | 920 |
|
| 2 | about whether | 704 |
|
| 3 | about if | 93 |
|
| 4 | about because | 30 |
|
| 5 | about than | 25 |
|
| 6 | about as | 20 |
|
| 7 | about when | 19 |
|
| 8 | about while | 6 |
|
| 9 | about cos | 5 |
|
