All proper nouns begin with a capital letter.

所有的专有名词都以大写字母为首。

In English, they are always written with a capital letter, because they're very important.

在英语中，它们开头是大写字母，因为它们非常重要。

Proper nouns and adjectives begin with a capital letter, so they are easy to spot.

专有名词和专有形容词以大写字母开头，因此很容易辨认。

Don't forget to write each word of your sign-off with a capital letter, and put a comma at the end.

不要忘记结束语每个词首字母都要大写，最后还要加上逗号。

So in English, sentences always begin with a capital letter.

所以在英语中，句子总是以大写字母开头。

Every sentence should start with a capital letter.

【should】每个句子都应该以大写字母开头。

Separate the two sentences, and start the new sentence with a capital letter.

将两个句子分开，并以大写字母开始新句子。

So he begins every line with a capital letter, and keeps on writing prose.

所以他每一行都以大写字母开头， 然后继续写散文。

So, every word: " To Whom It May Concern" begins with a capital letter.

所以，每个词：“To Whom It May Concern”都以大写字母开头。

For example, in English your name begins with a capital letter, or an upper case letter.

例如，在英语中，您的名字以大写字母或大写字母开头。