SN4 ""

No	Pattern	Freq
1	is [adv] the [noun sg]	3423
2	is also the [noun]	622
3	is [adv] the case	567
4	is [adv] the case	567
5	is now the [noun]	267
6	is often the [noun]	204
7	is still the [noun]	187
8	is just the [noun]	174
9	is only the [noun]	172
10	is always the [noun]	155
11	is simply the [noun]	106
12	is probably the [noun]	105
13	is usually the [noun]	102
14	is [adv] the result	96
15	is [adv] the result	96
16	is precisely the [noun]	88
17	is [adv] the [noun prp]	87
18	is [adv] the [noun pl]	83
19	is [adv] the possibility	72
20	is exactly the [noun]	72
21	is [adv] the possibility	72
22	is certainly the [noun]	70
23	is indeed the [noun]	68
24	is [adv] the sort	52
25	is [adv] the sort	52
26	is really the [noun]	51
27	is therefore the [noun]	51
28	is [adv] the subject	46
29	is [adv] the subject	46
30	is [adv] the problem	44