If supporters is simply a plural word, then no. The supporters are out in full force today.
As a singular possessive -- Someone yanked the supporter's sign from her hand. (apostrophe s to create a singular possessive.)
As a plural possessive -- The supporters' signs are quite colorful. (apostrophe comes after the s.)
No. A spider is a spider and an apostrophe is an apostrophe.
you've is the apostrophe of you have
The apostrophe for "they had" is "they'd".
No, your doesn't have an apostrophe. You're, however, does have an apostrophe because it's a contraction for you and are.
This is an apostrophe.( ' )
No, taste doesn't have an apostrophe.
Can't is cannot with an apostrophe.
you dont use an apostrophe in will not
there is no apostrophe
An apostrophe is not required.
Shall not with an apostrophe is shan't.
The word "its" does not require an apostrophe when indicating possession, as in "The dog chased its tail." However, "it's" with an apostrophe is a contraction for "it is" or "it has," as in "It's going to rain today." To determine whether to use the apostrophe, consider whether you mean possession (no apostrophe) or a contraction (with apostrophe).