| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [to-vb] [conj] [pron] be [v-ing] [to-vb] | 79 |
|
| 2 | [to-vb] [conj] [pron] [be] [v-ing] [to-vb] | 79 |
|
| 3 | [verb] [conj] [pron] is [v-ing] [to-vb] | 45 |
|
| 4 | [to-vb] [conj] [pron] [is] [v-ing] [to-vb] | 17 |
|
| 5 | [to-vb] [conj] [pron] is [verb] [to-vb] | 16 |
|
| 6 | [to-vb] [conj] [pron] is [v-ing] [verb] | 8 |
|
