SN4 ""

No	Pattern	Freq
1	is [adv] [adj] [to-vb] and	108
2	is [adv] difficult [to-vb] and	22
3	is [adv] difficult [to-vb] and	22
4	is [adv] easy [to-vb] and	21
5	is very [adj] [to-vb] and	18
6	is [adv] easy [to-vb] and	15
7	is more [adj] [to-vb] and	12
8	is [adv] likely [to-vb] and	10
9	is [adv] likely [to-vb] and	10
10	is [adv] [adj -er] [to-vb] and	9
11	is so [adj] [to-vb] and	9
12	is [adv] much [to-vb] and	8
13	is [adv] [det] [to-vb] and	8
14	is [adv] much [to-vb] and	8
15	is [adv] easier [to-vb] and	6
16	is now [adj] [to-vb] and	5
17	is still [adj] [to-vb] and	5
18	is also [adj] [to-vb] and	5
19	is relatively [adj] [to-vb] and	5
20	is [adv] [adj] to try and	5
21	is [adv] [adj] to see and	5
22	is [adv] important [to-vb] and	5
23	is [adv] simple [to-vb] and	5
24	is [adv] simple [to-vb] and	5
25	is much [adj] [to-vb] and	5
26	is quite [adj] [to-vb] and	5
27	is [adv] [adj] to do and	5
28	is [adv] able [to-vb] and	5
29	is [adv] able [to-vb] and	5
30	is [adv] important [to-vb] and	5