| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been doing [pers pn] [prep] [det] time | 5 |
|
| 2 | be doing [pers pn] [prep] [det] time | 5 |
|
| 3 | [be] doing [pers pn] [prep] [det] time | 5 |
|
| 4 | [been] doing [pers pn] [prep] [det] time | 5 |
|
