SN4 ""

No	Pattern	Freq
1	it hard [verb]	532
2	it hard [to-vb]	521
3	it hard believe	80
4	it hard to believe	80
5	it hard to understand	23
6	it hard understand	23
7	it hard get	22
8	it hard [prep]	21
9	it hard [prep]	21
10	it hard to get	20
11	it hard to imagine	17
12	it hard imagine	17
13	it hard to keep	17
14	it hard keep	17
15	it hard [adv]	15
16	it hard to accept	14
17	it hard accept	14
18	it hard to talk	13
19	it hard talk	13
20	it hard to	12
21	it hard take	12
22	it hard to	12
23	it hard to take	12
24	it hard make	11
25	it hard [v-ing]	10
26	it hard to make	10
27	it hard [noun sg]	10
28	it hard [noun]	10
29	it hard work	9
30	it hard cope	9