SN4 ""

No	Pattern	Freq
1	be [vb pp] at the [noun sg] [conj]	202
2	be [verb] at the [noun sg] [coord]	180
3	be [verb] at the [noun sg] and	145
4	be [verb] at the [noun sg] and	145
5	was [verb] at the [noun sg] [conj]	76
6	be [v-ing] at the [noun sg] [conj]	71
7	be [verb] at the [noun sg] [conj]	70
8	be [verb] at the [noun sg] [that]	52
9	be [verb] at the [noun sg] that	52
10	be [verb] at the [noun sg] that	52
11	be [verb] at the [noun sg] [subord]	49
12	is [verb] at the [noun sg] [conj]	37
13	be look at the [noun sg] [conj]	33
14	been [verb] at the [noun sg] [conj]	29
15	be [verb] at the time [conj]	28
16	be looking at the [noun sg] [conj]	28
17	were [verb] at the [noun sg] [conj]	24
18	be [verb] at the outset [conj]	23
19	be [verb] at the [noun sg] or	23
20	be [verb] at the [noun sg] or	23
21	are [verb] at the [noun sg] [conj]	22
22	be [verb] at the [noun sg] as	14
23	be [verb] at the [noun sg] as	14
24	be [verb] at the moment [conj]	13
25	be [verb] at the [noun sg] when	12
26	be [verb] at the [noun sg] when	12
27	being [verb] at the [noun sg] [conj]	12
28	be [verb] at the [noun sg] but	11
29	be [verb] at the [noun sg] but	11
30	be [verb] at the top [conj]	9