SN4 ""

No	Pattern	Freq
1	be [adj] [to-vb] at the	190
2	is [adj] [to-vb] at the	60
3	be [adj] to look at the	51
4	be [adj] [to-vb] at the	42
5	be able [to-vb] at the	38
6	was [adj] [to-vb] at the	38
7	be able [to-vb] at the	38
8	are [adj] [to-vb] at the	17
9	be likely [to-vb] at the	16
10	be likely [to-vb] at the	16
11	be important [to-vb] at the	16
12	be important [to-vb] at the	16
13	were [adj] [to-vb] at the	13
14	been [adj] [to-vb] at the	11
15	's [adj] [to-vb] at the	10
16	be due [to-vb] at the	10
17	be necessary [to-vb] at the	10
18	be due [to-vb] at the	10
19	be necessary [to-vb] at the	10
20	be prepared [to-vb] at the	8
21	be prepared [to-vb] at the	8
22	be [adj] to get at the	7
23	be easy [to-vb] at the	6
24	be [adj -er] [to-vb] at the	6
25	be difficult [to-vb] at the	5
26	be unable [to-vb] at the	5
27	be unable [to-vb] at the	5
28	be difficult [to-vb] at the	5
29	be willing [to-vb] at the	5
30	be willing [to-vb] at the	5