| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [v-ing] [to-vb] [adv prt] [prep] | 201 |
|
| 2 | [was/were] [verb] [to-vb] [adv prt] at | 31 |
|
| 3 | [be] [v-ing] [to-vb] [adv prt] at | 25 |
|
| 4 | [was/were] [v-ing] [verb] [adv prt] at | 20 |
|
| 5 | [was/were] [v-ing] [to-vb] [adv] at | 14 |
|
