| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [v-ing] [adv prt] | 444 |
|
| 2 | is [adv] [v-ing] for | 253 |
|
| 3 | [adv] [v-ing] [adv prt] for | 136 |
|
| 4 | is [v-ing] [adv prt] for | 84 |
|
| 5 | is [adv] [adv prt] for | 35 |
|
