Help me make 5 affirmative sentences and 5 negative sentences with until

Sure: go straight down the road until you come to the post office

Follow the road until you reach the post office.

follow this road until you get to the bridge,then turn left.

Follow the road to the head of the bridge and turn left again.

can i stop up until uncle arrives?"paul asked his mother.

Paul asked his mother, "Shall I go to bed when my uncle arrives?" ”

he had continued writing in his study until the shots aroused him.

He continued to write in his study until the sound of gunfire startled him.

he lived in california until he was twenty.

He lived in California until he was 20 years old.

Negative: it was not until the 1940s that such machines could be built

It was not until the 40s of the 20th century that such machines could be manufactured.

it was not until he got seriously ill that he knew the importance of health.

It wasn't until he became seriously ill that he knew the importance of health.

it was not until a few months later that he knew the story.

It wasn't until a few months later that he learned the story.

it was not until the professor came that they began the test.

It wasn't until the professor came that they started testing.

not until then did he realize the importance of the problem.

Only then did he realize the importance of the issue.

The first sentence is used in the negative sentence:

It is not difficult to see that in negative sentences, the action of the sentence does not begin to occur until the time indicated by the incomplete phrase, that is, the starting point of the action. It is generally translated as "until......only "or" until ......Before (......Not yet)".

The second sentence is used in the affirmative sentence:

It is not difficult to see that until is used in affirmative sentences, indicating that the action of the sentence continues until the time indicated by the until phrase, that is, the end of the action. It can generally be translated as "until......time (so far)" or "in......previous". In this usage, the predicate verb of the sentence must be a continuous verb (not an instantaneous verb),

Both sentences are used as conjunctions. The first sentence can be translated as it solves our problem until it replaces the traditional view. not until ......Just.

The second sentence can be translated to mean that in a behavioral technique will still be resisted until these problems are resolved. untilThis is similar to before.

The first sentence is not until, which is translated as "until... Just.

The second sentence until is used at the beginning of an affirmative sentence and is often translated as "until... so far", the end of the action.

don't is used before a substantive verb and together with this verb as a predicate. The subject is one, and the two are pronounced. There is no meaning in itself.

doesn't is also used as a predicate with this verb before the original form of the verb. The subject is in the singular third person. There is no meaning in itself.

aren'T is followed by nouns, adjectives, adverbs, prepositions, short cavity signs, etc., which have their own meanings, "is or in".

i don't like music.

he doesn't like classical music.

they aren't teachers.

they aren't in the classroom.