1.
`it' is the third-person singular neuter pronoun.

'it'是单数第三人称的中性代名词。
2.
To review and reinforce the use of “third person”& gerund.

巩固动词单数第三人称的用法和动名词的用法。
3.
Oblique form of the personal pronoun of the first person singular.

第一人称单数的人称代词的斜格形式.
4.
The Acquisition of English Third Person Singular Pronouns by Chinese EFL Students;

中国英语学习者习得英语第三人称单数代词性别范畴研究
5.
The Impact of Focus on Form on the Accurate Production of Third Person Singular-s;

“聚焦于形式”的语言教学对正确使用第三人称单数的影响
6.
The Gender Mixed Use Errors of the Third Person Animate Singular English Pronouns by Chinese EFL Learners in Their Oral Production;
中国英语学习者英语口语中的第三人称单数代词性别混用错误
7.
Use3 rd person or plural instead1 st person singular in your summary.

在你的总结中使用第三人称或者复数人称而不是第一人称但数。
8.
Centering Theory in Realization of the 3rd Person Pronouns and Names as Anaphor in Discourse Coherence in Chinese EFL Students’ English Narrative Writing;
英语人称代词第三人称单数在英语记叙文写作中作前指词的应用研究
9.
a second person singular present indicative of be.

be的第二人称单数现在陈述语气动词。
10.
Primary Exploration about First-person Singular of Personal Indicator in "Outlaws of the Marsh"
《水浒传》第一人称单数指示语初探
11.
On the Reference and Number of the Third Personal Pronouns in the Western Zhou Chinese;

西周汉语第三人称代词及所指与称数考察
12.
A Generative Approach to Counter-unidirectional Anaphors of the Third Person Pronoun;

第三人称代词反单向性照应的生成解释
13.
Unidirectionality of the anaphora of third person pronouns in English and Chinese,;

英汉第三人称代词照应的单向性及其相关问题
14.
If you have a problem with the third person singular, try to concentrate on when you make such errors.
如果你的问题是在第三人称单数,那就尽力专注于你犯此类错误的时候。
15.
A Study of the Effects of Corrective Feedback on Learning the Third Person Singular Form of Simple Present Tense Verbs by Chinese Middle School Students;
纠错式反馈对中国中学生一般现在时第三人称单数学习的有效性研究
16.
The Usage of Russian Verbs in its Second singular Form;

俄语动词单数第二人称命令式的转义用法
17.
Logical Judgment On the Reference of the 3~(rd) Person Plural Pronoun in English;

英语第三人称复数代词指代归属的逻辑判析
18.
First, second, third, fourth and so on. We call them ordinals.

第一,第二,第三,第四等等。我们称之为序数。