| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] [adv prt] at [art] [noun] | 157 |
|
| 2 | [be] [v-ing] [adv prt] at [art] [noun sg] | 137 |
|
| 3 | [be] [verb] [adv prt] at [art] time | 38 |
|
| 4 | [be] [v-ing] [adv] at [art] time | 25 |
|
| 5 | [be] [v-ing] [adv prt] [prep] [art] time | 23 |
|
| 6 | [be] [v-ing] [adv prt] [prep] [art] time | 23 |
|
| 7 | [be] [v-ing] [adv prt] at [art] time | 19 |
|
| 8 | [be] [v-ing] [adv prt] at [art] time | 19 |
|
