be able to 2

[John]

Are these all OK and natural?

1-1. I can meet him today.
1-2. I'll be able to meet him today.
1-3. I am able to meet him today.

2-1. I can't meet him today.
2-2. I won't be able to meet him today.
2-3. I'm not able to meet him today.

3-1. I can meet him tomorrow.
3-2. I'll be able to meet him tomorrow.
3-3. I am able to meet him tomorrow.

Thanks.

[Rusty]

Are these all OK and natural?

1-1. I can meet him today.
1-2. I'll be able to meet him today.
1-3. I am able to meet him today.

2-1. I can't meet him today.
2-2. I won't be able to meet him today.
2-3. I'm not able to meet him today.

3-1. I can meet him tomorrow.
3-2. I'll be able to meet him tomorrow.
3-3. I am able to meet him tomorrow.

Thanks.
(These are all common. 3-3 is less preferable).