In certain short clauses, commas are probably not necessary (as in Dimsum's last sentence), but certainly where it appears e.g. in a subject noun phrase, it is appositive (not 'parenthetical'), as the verb number is governed by the subject itself:

I'd like to point out that this "sentence" is lacking a main verb. How is confidientialiy handled... How does the confidentialiy issue get handled... There are a number of choices, but right now, it's just left hanging

Hi again, You´re right. I was refering to sentences like the last two. And I found that you added a ,(comma) in number 3 examples. So if I happen to see sentences like this: "On Saturdays I go to the park", I have to add the comma,

Great Clive! You´re right. I was refering to sentences like the last two. And I found that you added a ,(comma) in number 3 examples. So if I happen to see sentences like this: "On Saturdays I go to the park", I have to add the comma,

No, no apostrophe in the 1600s . The apostrophe is a possessive marker, not a plural marker. It is grudgingly approved only in a very limited number of cases which would otherwise look confusing, as in this: mind your p's and q's .

Bobby Juilfs Professor Kramer Fine Arts 101 16 November 2009 Undergrowth with Two Figures If you could ask Vincent van Gogh what he accomplished in his lifetime he would probably say not much. But we know now that van Gogh gave

Type is too tiny...I see I missed the opening "I's." However, my grammar books accept the apostrophe after numbers made plural. Without is also correct, but with is perfectly fine.

if you count by two's, you miss it by one. if you count by five's, you miss it by the same amount. It is greater than 20. What is the smallest number it could be? Pretty good, but you still missed a couple of capital letters. And the

21. It has to be odd (since counting by two's misses it). And it is within one number of counting by five. So it has to be a number on either side of 10, 20, 30, etc (since the numbers on either side of 5, 15, 25 are even). Finally, it has to

Sentence 1 is good either way, but you should be consistent in either using numbers or in spelling them out. Normally, numbers ten or below are spelled out and numbers above ten are left in numeric form (11, 21, 33, etc). Sentence 2, crossed is