| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] na [verb] to | 181 |
|
| 2 | be [v-ing] na [vb infin] to | 178 |
|
| 3 | be [v-ing] na have [prep] | 57 |
|
| 4 | be [v-ing] na have to | 48 |
|
| 5 | [be] [v-ing] na have to | 48 |
|
| 6 | be [v-ing] na have to | 48 |
|
| 7 | be [v-ing] [prep] have to | 48 |
|
| 8 | be [v-ing] [to] have to | 48 |
|
| 9 | be [verb] na have to | 48 |
|
