| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [conj] [pron] is [v-ing] | 104 |
|
| 2 | [prep] [conj] [pron] is [v-ing] | 58 |
|
| 3 | [vb -s] [prep] [conj] [pron] is | 50 |
|
| 4 | [vb -s] [prep] [pron] is [v-ing] | 14 |
|
