SN4 ""

No	Pattern	Freq
1	[pers pn] be [verb] at a	303
2	[pers pn] [be] [verb] at a	303
3	[pers pn] [be] [v-ing] at a	186
4	[pers pn] [was/were] [verb] at a	160
5	[pers pn] was [verb] at a	127
6	[pers pn] [be] [vb pp] at a	116
7	[pers pn] [am/are] [verb] at a	101
8	[pers pn] [be] looking at a	85
9	[pers pn] [be] look at a	85
10	it [be] [verb] at a	67
11	[pers pn] are [verb] at a	54
12	we [be] [verb] at a	52
13	he [be] [verb] at a	49
14	they [be] [verb] at a	40
15	i [be] [verb] at a	37
16	[pers pn] [is] [verb] at a	36
17	[pers pn] 're [verb] at a	35
18	[pers pn] were [verb] at a	33
19	[pers pn] is [verb] at a	28
20	she [be] [verb] at a	27
21	you [be] [verb] at a	27
22	[pers pn] [be] sitting at a	14
23	[pers pn] [be] sit at a	14
24	[pers pn] 's [verb] at a	8
25	[pers pn] [be] staring at a	7
26	[pers pn] [be] educate at a	7
27	[pers pn] [be] speak at a	7
28	[pers pn] [be] aim at a	7
29	[pers pn] [be] speaking at a	7
30	[pers pn] [be] stare at a	7