Remain unchanged OR Remained unchanged OR Remain to be changed

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

Hi Everyone,

Could someone tell me the difference in meaning bewteen the following:

Remain unchanged
Remained unchanged
Remain to be changed
Remained to be changed

Thanks in advance.
Rika

2

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Remain unchanged-- not changed at any time
Remained unchanged-- was/were not changed in the past
Remain to be changed – hasn’t been changed yet
Remained to be changed– hadn’t been changed yet
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3

Hi Mister Micawber,

Thanks a lot.

What is the difference between the first and third one? And also the second and fourth. Can you give me example to illustrate their application.

Rika

4

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They are different formations with different meanings. ‘Remain + -ed verb form’ = continuation of present condition. ‘Remain to be + -ed verb form’ = pending task. No doubt Google search will give you examples galore.
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