| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was about four | 40 |
|
| 2 | 's about four | 24 |
|
| 3 | is about four | 19 |
|
| 4 | be about four | 13 |
|
| 5 | were about four | 9 |
|
| 6 | are about four | 8 |
|
| 7 | been about four | 7 |
|
