老是, 从来都, 从来不/没

老是
虽然我每天学习汉字，但(是)我老是會忘記它们。
Although I study characters everyday I always forget them.
我太太说我的东西老是乱七八糟的。
My wife says my things are always untidy.

从来都
现在天气一直以从来都是太過炎热。(~too hot.)
Now the weather is always too warm.(~太過於暖和)

(If you have to use 从来都, you can make a sentence, like 我從來都不喜歡這樣炎熱的天氣.)

新闻从来都是播報不好的消息。
The news is always bad.
那么菜馆的服务从来都是不沒有好過的。
The service in that restaurant is always bad.

从来不/没
我从来不看足球比赛。
I never watch football.
我从来没有不吃火锅。
I have never eaten hotpot.
我从来没有去過俄罗斯。
I have never been to Russia.

老是, 从来都, 从来不/没

老是
虽然我每天都学习汉字，但是我老是会忘掉它们。 （Use a comma here can make the structure more clear）
Although I study characters everyday I always forget them. )
我太太老是说我的东西是乱的。
My wife says my things are always untidy

从来都
现在的天气总是太热。（IMO using “从来都” here is a little weird, actually "总是" is also a good way to express things that happen constantly and natrually）。
Now the weather is always too warm.
新闻从来都是不好的。
The news is always bad
那间菜馆服务从来都是不好的。
The service in that restaurant is always bad.

从来不/没

（IMO compared to 从来没, 从来不 has an extra meaning of not wanting to something, maybe dislike that thing. So I do not think these two things are of the same meaning.）
我从来不看足球比赛。 / 我从来没看过足球比赛  （The first one express more 'dislike'.）
I never watch football.
我从来不吃火锅
I have never eaten hotpot.
我从来没有去俄罗斯 (apparantly I do not hate to go to Russia, so 从来没 is better.)
I have never been to Russia

老是, 从来都, 从来不/没

老是
虽然我每天学习汉字但是我老是忘记它们。
Although I study characters everyday I always forget them.
我太太说我的东西总是乱七八糟。
My wife says my things are always untidy

从来都
现在的天气一直都很温暖。
Now the weather is always too warm.
新闻都是不好的。
The news is always bad
那个餐厅的服务态度不好
The service in that restaurant is always bad.

从来不/没
我从来不看足球比赛。
I never watch football.
我从来没有吃过火锅
I have never eaten hotpot.
我从来没有去过俄罗斯
I have never been to Russia

老是, 總是, 從來不/沒
老是
雖然我每天學習漢字但是我老是忘它們。
Although I study characters everyday I always forget them.
我太太說我的東西老是亂的。
My wife says my things are always untidy

總是
現在天氣總是太熱。
Now the weather is always too warm.
新聞總是不好的。
The news is always bad
那家菜館服務總是不好的。
The service in that restaurant is always bad.

從來不/沒
我從來不看足球比賽。
I never watch football.
我從來沒有吃火鍋
I have never eaten hotpot.
我從來沒有去俄羅斯
I have never been to Russia