SN4 ""

No	Pattern	Freq
1	[conj] it is impossible for	27
2	that it is impossible for	14
3	[that] it is impossible for	14
4	that it is impossible for	14
5	[coord] it is impossible for	8
6	[noun] it is impossible for	7
7	[adv] it is impossible for	5
8	[verb] it is impossible for	5
9	[subord] it is impossible for	5
10	it is [adv] impossible for	38
11	it is [adv] impossible for	34
12	it is virtually impossible for	8
13	it is virtually impossible for	8
14	it is quite impossible for	5
15	it is quite impossible for	5
16	it is impossible for [pron]	38
17	it is impossible for [pers pn]	31
18	it is impossible for [art]	22
19	it is impossible for [art]	22
20	it is impossible for [adj]	15
21	it is impossible for the	15
22	it is impossible for the	15
23	it is impossible for [noun]	12
24	it is impossible for [det]	9
25	it is impossible for i	9
26	it is impossible for me	9
27	it is impossible for we	8
28	it is impossible for us	8
29	it is impossible for [adj]	6
30	it is impossible for [indef pn]	6