SN4 ""

No	Pattern	Freq
1	[verb] it difficult to	22
2	find it difficult to	18
3	[vb past] it difficult to	8
4	found it difficult to	7
5	find it difficult to	5
6	[vb base] it difficult to	5
7	it be difficult to	96
8	it [be] difficult to	96
9	it [is] difficult to	78
10	it is difficult to	54
11	it 's difficult to	24
12	it [was/were] difficult to	18
13	it was difficult to	18
14	it [adv] difficult to	10
15	it [adv] difficult to	10
16	it very difficult to	5
17	it very difficult to	5
18	it difficult [verb] to	38
19	it difficult [to-vb] to	38
20	it difficult get to	8
21	it difficult to come to	8
22	it difficult come to	8
23	it difficult to get to	8
24	it difficult to [be]	11
25	it difficult to be	11
26	it difficult to be	11
27	it difficult to [be]	11