| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] be reading [prep] | 9 |
|
| 2 | [vb base] been reading [prep] | 9 |
|
| 3 | [vb base] [been] reading [prep] | 9 |
|
| 4 | [vb base] [be] reading about | 6 |
|
| 5 | have [be] reading [prep] | 5 |
|
