Which sentences would be correct and sound natural?

Dear native English speakers,
Which sentences would be correct and sound natural?
1a) I've never seen her wearing glasses.
1b) I never saw her wearing glasses.
1c) I've never seen her with glasses.

2a) My father still wears a/the jacket that was in fashion ten years ago.
2b) My father is still wearing a/the jacket that was in fashion ten years ago.
2c) My fathe still has been wearing a/the jacket that was in fashion ten years ago.

3a) I'm not sure if/whether red will be in fashion this summer.
3b) I'm not sure if/whether red will get in fashion this summer.
3c) I'm not sure if/whether red will become in fashion this summer.

Thanks in advance.
Hirashin

hirashin said:

Dear native English speakers,
Which sentences would be correct and sound natural?
1a) I've never seen her wearing glasses.
1b) I never saw her wearing glasses.
1c) I've never seen her with glasses.

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All three here can be applied.

2a) My father still wears a/the jacket that was in fashion ten years ago.
2b) My father is still wearing a/the jacket that was in fashion ten years ago.
2c) My fathe still has been wearing a/the jacket that was in fashion ten years ago.

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The first two sound OK, but (c) sounds awkward because of the placement of the word 'still'. (b) would be my correction of (c).

3a) I'm not sure if/whether red will be in fashion this summer.
3b) I'm not sure if/whether red will get in fashion this summer.
3c) I'm not sure if/whether red will become in fashion this summer.

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The first is better. I wouldn't use the phrase 'get in fashion' or 'become in fashion'. However, 'becoming fashionable' would the the correct phrasing. "I'm not sure if/whether red will become fashionable this summer".

I agree with Lacota. 1a, 1b, 1c all sound ok.
2a, 2b sound ok but 2c doesn't sound right. "still has been" doesn't sound natural to me here but I see via Google that people do use this form. So it might be "correct," I don't know.
3a sounds ok to me. 3b and 3c sounds odd.

Thank you for the help, Lacota and mdchachi.

How about these?
(3d) I'm not sure if/whether red wil get fashionable this summer.
(3e) I'm not sure if/whether red will become fashionable this summer.
(3f) I'm not sure if/whether red will get trendy this summer.
(3g) I'm not sure if/whether red will become trendy this summer.

Hirashin

hirashin said:

Thank you for the help, Lacota and mdchachi.

How about these?
(3d) I'm not sure if/whether red wil get fashionable this summer.
(3e) I'm not sure if/whether red will become fashionable this summer.
(3f) I'm not sure if/whether red will get trendy this summer.
(3g) I'm not sure if/whether red will become trendy this summer.

Hirashin

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(3e) is the best sentence. In fact it is perfect. Using 'get fashionable/trendy' is odd. And the word 'trendy' doesn't sit right with me, although (3g) could be used. It might be because I dislike that word.

Thanks, Lacota.