Change these verbs into past verbs and perfect verbs.
写出下列动词的过去式及过去分词。
Library Trip: Students went to the library and find at least 10 simple present tense verbs and 10 simple past verbs by reading storybooks.
图书馆之行：同学们去图书馆读书，从故事中至少找出10个动词的一般现在式和10个一般过去式。
The past participle of regular verbs ends in '-ed'.
规则动词的过去分词以-ed结尾。
They may not have verbs, nouns or past participles, but birds challenge the notion that humans alone have evolved grammatical rules.
它们可能没有动词、名词和过去分词，但是鸟类挑战只有人类演化出语法规则这一观念。
Remember when you are talking about the past, you use the past forms of the verbs, e.g.
记住当你谈论过去的事情时，用动词的过去式。
Who talked to the child, how long, how often, how many different words were said and how many total words were said. How many past-tense verbs and in what circumstances.
谁跟小孩交谈，多久，多频繁，用了多少不同的字词，总共使用的词汇是多少，使用多少过去时态的动词，是用在什么语境下使用。
B. Fill in the blanks with the past perfect or simple past tense of the verbs in brackets.
试用括号里动词的过去完成时态或一般过去时态来填充空格。
Give the past and past participle forms of the verbs.
写出动词的过去式和过去分词形式。
She studied fifteen verbs about their past tense and past participle this afternoon.
今天下午，她学习了十五个动词以及它们的过去式和过去分词。
B. Fill in the blanks with the simple past tense of the verbs given in brackets.
用括号里动词的一般过去式来填充空格。
Can you say some verbs and their past forms?
要求学生说出自己所知道的动词及其过去式。
Can you say some verbs and the past form?
要求学生说出自己所知道的动词及其过去式。
Simple past statements with regular and irregular verbs.
过去时态的句子以及动词过去式规则与不规则变化。
Read the text and write the past tense of verbs.
读课文，写出下列动词的过去式。
Here is your homework, preview the new words and the past form of verbs.
家庭作业，预习下一课单词和动词的过去式。
Please find more verbs in simple past form in the letter, and circle them.
让学生找出短文中出现的其他动词过去式。
Please find out more verbs in the simple past forms in the letter, and circle them.
让学生找出短文中出现的其他动词过去式。
In this lesson, learners will be able to understand and use verbs in present and simple past tenses, ask and answer questions about what happened in the past.
在这堂课中，学员将能理解并使用在一般现在式和一般过去式中出现的动词，就过去发生的事情提问并回答。
Now, read the passage with your deskmate and find out the past tense of the verbs here.
列出本篇文章中所有不规则的动词，让学生写出这些不规则动词的过去式并朗读。
I can find out the rules of the verbs forms of the simple past tense.
我能归纳出实意动词的一般过去式的构成规律。
Regular verbs are significantly more marked in simple past than irregular verbs.
规则动词的一般过去时标记比例显著高于不规则动词。
Recite the simple past tense by adding '-ed' to regular verbs.
介绍一般过去式的动词变化并加以练习巩固。
Underline all the past tense verbs.
将所有的过去式动词画上横线。
Fifty-seven irregular verbs have I introduced to my brain in the past four days.
过去四天里我背了五十七个不规则动词。
T: Please read the text by yourselves and circle the verbs of the past form.
能深入地理解文本内容，熟练掌握本文所涉及的动词过去式。
Speaking of the knacks, when you know the past forms of some irregular verbs, you will find some rules.
要说窍门，在多背一些动词的不规则过去式后，你会发现还是有一些规律的。
Speaking of the knacks, when you know the past forms of some irregular verbs, you will find some rules.
要说窍门，在多背一些动词的不规则过去式后，你会发现还是有一些规律的。
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