SN4 ""

No	Pattern	Freq
1	[is] at the [adj] [noun]	186
2	[is] at the [adj] [noun sg]	184
3	is at the [adj] [noun]	154
4	[is] at the [adj] [noun]	117
5	[is] at the [adj] time	55
6	[is] at the [adj] time	55
7	[is] at the [det] [noun]	55
8	[is] at the same [noun]	54
9	[is] at the same [noun]	54
10	's at the [adj] [noun]	32
11	[is] at the [adj] end	30
12	[is] at the [adj] end	30
13	[is] at the very [noun]	20
14	[is] at the very [noun]	20
15	[is] at the [adj] heart	16
16	[is] at the [adj] heart	16
17	[is] at the other [noun]	14
18	[is] at the other [noun]	14
19	[is] at the [adj] level	11
20	[is] at the [adj] level	11
21	[is] at the opposite [noun]	9
22	[is] at the opposite [noun]	9
23	[is] at the 5.40 [noun]	8
24	[is] at the present [noun]	8
25	[is] at the [adj] desk	8
26	[is] at the [num] [noun]	8
27	[is] at the 5.40 [noun]	8
28	[is] at the present [noun]	8
29	[is] at the [adj] desk	8
30	[is] at the [adj -er] [noun]	6