SN4 ""

No	Pattern	Freq
1	[verb] it [adv] impossible [prep]	34
2	make it [adv] impossible [prep]	31
3	[vb past] it [adv] impossible [prep]	9
4	made it [adv] impossible [prep]	9
5	[vb infin] it [adv] impossible [prep]	7
6	[vb base] it [adv] impossible [prep]	6
7	make it [adv] impossible [prep]	6
8	make it [adv] impossible [prep]	6
9	it [be] [adv] impossible [prep]	101
10	it be [adv] impossible [prep]	101
11	it [is] [adv] impossible [prep]	68
12	it is [adv] impossible [prep]	54
13	it [was/were] [adv] impossible [prep]	33
14	it was [adv] impossible [prep]	33
15	it 's [adv] impossible [prep]	14
16	it [verb] [adv] impossible [prep]	7
17	it [adv] impossible [verb] [prep]	6
18	it [adv] impossible [to-vb] [prep]	6
19	it [adv] impossible [prep] [art]	13
20	it [adv] impossible [prep] [art]	13
21	it [adv] impossible [prep] the	10
22	it [adv] impossible [prep] [pers pn]	10
23	it [adv] impossible [prep] the	10
24	it [adv] impossible [prep] [pron]	10
25	it [adv] impossible [prep] [noun]	9
26	it [adv] impossible [prep] [noun pl]	7