SN4 ""

No	Pattern	Freq
1	[noun] is [prep] use	47
2	[noun sg] is [prep] use	46
3	[pron] is [prep] use	6
4	is [adv] [prep] use	71
5	is [verb] [prep] use	63
6	is [vb pp] [prep] use	61
7	is [adj] [prep] use	57
8	is [adj] [prep] use	56
9	is [adv] [prep] use	47
10	is still [prep] use	23
11	is still [prep] use	23
12	is design [prep] use	18
13	is designed [prep] use	18
14	is not [prep] use	16
15	is [not/n't] [prep] use	16
16	is suitable [prep] use	15
17	is suitable [prep] use	15
18	is not [prep] use	13
19	is available [prep] use	13
20	is available [prep] use	13
21	is intend [prep] use	11
22	is intended [prep] use	11
23	is already [prep] use	10
24	is already [prep] use	10
25	is [adv prt] [prep] use	8
26	is ideal [prep] use	8
27	is ideal [prep] use	8
28	is out [prep] use	7
29	is out [prep] use	7
30	is ready [prep] use	5