2025小学英语语法主语从句基础试卷及答案

2025 小学英语语法主语从句基础试卷及答案 一、单项选择题（共10 题，每题2 分） 1. In the sentence "That he is happy makes me smile.", what is the subject clause? A. That he is happy B. makes me smile C. he is happy D. me smile 2. Which word often introduces a subject clause? A. And B. That C. But D. Or 3. What is the subject clause in "What she said is important."? A. What she said B. is important C. she said D. important 4. Choose the correct subject clause form: A. He is tall is known. B. That he is tall is known. C. Is he tall known. D. Known he is tall. 5. In the sentence "Whether it rains doesn't matter.", the subject clause is: A. Whether it rains B. doesn't matter C. it rains D. matter 6. Which sentence has a subject clause? A. She runs quickly. B. That she runs quickly surprises us. C. Quickly she runs. D. Us she surprises. 7. What is the subject clause in "Who will win is unknown."? A. Who will win B. is unknown C. will win D. unknown 8. Choose the word that can start a subject clause: A. Very B. What C. Too D. So 9. In "That the sun rises is obvious.", the subject clause is: A. That the sun rises B. is obvious C. the sun rises D. obvious 10. Which is a subject clause? A. He is here. B. That he is here is true. C. Here he is. D. True he is. 二、多项选择题（共10 题，每题2 分） 1. Which sentences contain a subject clause? (Select all that apply) A. What you do matters. B. He goes to school. C. That she is kind is good. D. They are playing. 2. Identify the subject clauses in these options: A. Whether he comes is unsure. B. She is unsure. C. That it is easy helps us. D. Helps us it. 3. Which words can introduce a subject clause? (Select all that apply) A. That B. What C. And D. Whether 4. Choose all correct statements about subject clauses: A. A subject clause acts as the subject of a sentence. B. It always starts with a verb. C. It can be replaced by a pronoun. D. It is usually at the beginning of a sentence. 5. Which sentences have a subject clause? A. That he is late is annoying. B. Annoying he is. C. What she wants is clear. D. Clear she wants. 6. Select the subject clauses from the following: A. Who is there B. Is there who C. That he is smart D. Smart he is 7. Which are characteristics of a subject clause? A. It begins with a conjunction like "that". B. It contains a subject and verb. C. It is always short. D. It can be the object of a sentence. 8. Identify the sentences with a subject clause: A. Whether we go depends on weather. B. Depends on weather. C. That she sings well is known. D. Known she sings. 9. Which options show correct subject clause usage? A. What he did was wrong. B. He did wrong. C. That the book is interesting is true. D. True the book. 10. Choose all that are subject clauses: A. That they are friends B. Are friends they C. What you see D. See you what 三、判断题（共10 题，每题2 分） 1. "That he is clever is obvious." contains a subject clause. 2. A subject clause always comes at the end of a sentence. 3. "What she needs" can be a subject clause. 4. In "Whether it is true doesn't concern me.", "Whether it is true" is the subject clause. 5. Subject clauses are only used in complex sentences. 6. "He is tall" is an example of a subject clause. 7. The word "that" is never used in subject clauses. 8. "Who will come" can serve as a subject clause in a sentence. 9. Subject clauses must always start with "that". 10. In "That the earth is round is a fact.", "That the earth is round" is the subject clause. 四、简答题（共4 题，每题5 分） 1. Write a sentence using a subject clause with "what". 2. Identify the subject clause in the sentence: "That she is honest makes her trustworthy." 3. Explain what a subject clause is in your own words. 4. Correct the sentence: "Is he coming is uncertain." to include a proper subject clause. 答案： 单项选择题答案：1.A 2.B 3.A 4.B 5.A 6.B 7.A 8.B 9.A 10.B 多项选择题答案：1.A,C 2.A,C 3.A,B,D 4.A,C,D 5.A,C 6.A,C 7.A,B 8.A,C 9.A,C 10.A,C 判断题答案：1.True 2.False 3.True 4.True 5.False 6.False 7.False 8.True 9.False 10.True 简答题答案：1.Example: What you eat affects your health. 2.That she is honest 3.A subject clause is a group of words that acts as the subject of a sentence, often starting with words like that, what, or whether. 4.Whether he is coming is uncertain.