| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] be [v-ing] [adv] [prep] [det] | 6 |
|
| 2 | [vb infin] been [v-ing] [adv] [prep] [det] | 6 |
|
| 3 | have [be] [v-ing] [adv] [prep] [det] | 6 |
|
| 4 | [vb infin] [been] [v-ing] [adv] [prep] [det] | 6 |
|
