be able to 3

[John]

Are these all OK and natural?

1-1. We can forward you the sample next week.
1-2. We'll be able to forward you the sample next week.
1-3. We're able to forward you the sample next week.

2-1. We can't forward you the sample till next week.
2-2. We'll not be able to forward you the sample till next week.
2-3. We're not able to forward you the sample till next week.

Thanks.

[Rusty]

Are these all OK and natural?

1-1. We can forward you the sample next week.
1-2. We'll be able to forward you the sample next week.
1-3. We're able to forward you the sample next week.

2-1. We can't forward you the sample till next week.
2-2. We'll not be able to forward you the sample till next week.
2-3. We're not able to forward you the sample till next week.

Thanks.
(1-1, 2-1 and 1-2, 2-2 are common. 1-3 and 2-3 don't sound right).