as necessary

English as a Second Language English Vocabulary, Grammar and Idioms
1

1a. I will continue to do so as necessary.
1b. I will continue to do it so as it is necessary.
2a. Your progress very much impresses me.
2b. I am very impressed at your progress.
2c. I seem very impressed by your progress.
3a. Your mother is aging very well. She must be very healthy.
3b. Your mother is aged very well. She must be very healthy.
Please correct and comment.
Thanks.

2

1a. I will continue to do so as necessary.
1b. I will continue to do it so as it is necessary. <-- not the same meaning as 1a.
2a. Your progress very much impresses me.
2b. I am very impressed at your progress. --> by your progress
2c. I seem very impressed by your progress. <-- I don’t understand why you would point out to someone that you appear to be impressed with their progress.
3a. Your mother is aging very well. She must be very healthy.
3b. Your mother is aged very well. She must be very healthy. --> has aged

3

Beeesneees,
Please explain the difference in meaning between #1a and # 1b.
Thanks.

4

Beeesneees,
I am repeating my above request.
Thanks.

5

I will carry on doing this when it becomes necessary to do so.
I will carry on doing this because it is a necessity that it is done.