1. Each of the desks has four legs.

2. Each of the desk has four legs.
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Is #2 correct or incorrect?

3. She has many friends to help her.
4. She has many friends who will help her.
5. she has many friends who help her.
6. she has many friends who can help her.
-------------------------------------Does #3 mean #4, #5, or #6?

#1 is correct; #2 is incorrect.

Yes, #s 4, 5, and 6 mean about the same thing as #3 does.

Regarding the first set of statements:

1. Each of the desks has four legs.
2. Each of the desk has four legs.

Statement #1 is correct, while statement #2 is incorrect.

Explanation:
In statement #1, the subject "desks" is plural, so the correct form of the verb "has" is used to match the subject. "Each of the desks" means that each individual desk within a group of desks has four legs.

In statement #2, the subject "desk" is singular, but the verb "has" is used instead of "have", which is incorrect. The correct form would be "Each of the desks has four legs."

Regarding the second set of statements:

3. She has many friends to help her.
4. She has many friends who will help her.
5. She has many friends who help her.
6. She has many friends who can help her.

Statement #3 means statement #5.

Explanation:
Statement #3 implies that she has many friends who are available and willing to offer their help. The phrase "to help her" indicates their willingness or availability in general.

Statement #4 implies that she has many friends who have made a commitment to help her in the future. The phrase "who will help her" indicates their future action of helping.

Statement #5 implies that she has many friends who regularly help her in an ongoing manner. The phrase "who help her" indicates their habitual action of helping.

Statement #6 implies that she has many capable friends who have the ability or skill to help her if needed. The phrase "who can help her" emphasizes their capacity to provide assistance.

So, statement #3 is closest in meaning to statement #5.