'I have eaten' is the present perfect tense of the verb 'to eat', 'I had eaten' is the past perfect and 'I will have eaten' is the future perfect.
Ihave eaten是动词eat的现在完成时；Ihad eaten是过去完成时；Iwill have eaten是将来完成时。
Older generations often talk about their degree in the present and personal tense: 'I am a geographer' or 'I am a classist.'
老一代人经常用个人化的、现在时的口吻谈论他们的学历：“我是一个地理学家”，或者“我是一个古典学研究者。”
'I am' is the first person singular of the present tense of the verb 'to be'.
Iam是动词to be现在时的第一人称单数。
The present international situation remains tense and turbulent.
当前的国际局势依然紧张动荡。
You use the present tense for various things in English.
在英语中，现在时态有多种不同的用法。
Write in present tense and only what you can see and hear on the screen.
使用现在时态，只描述你能够听到和看到的东西。
Remember to write them in the positive present tense and remember to set a deadline for each goal. Just like we did when setting your long term and short term goals.
记住要用肯定的现在时态来写并为每个目标设定截止日期，就像我们从前设定长期目标和短期目标时一样。
Write your goals in the positive, present tense and add your deadline.
用主动语态和现在时态写下目标，并加上期限。
Use active voice, present tense.
使用正面的语气，现在时态。
The answer is that they remember the blessing of God, the great thing God has done so vividly that they describe it in present tense.
当年上帝的祝福和成就的大事历历在目，以至于他们竟然用现在时来表达。
It is written in the present tense and tells the entire screenplay as if it were a short story.
文案一般使用现在时撰写，并将剧本的主要情节改写为一个短篇故事。
Use the active rather than the passive voice, and the present tense unless past tense is necessary.
使用主动语态和现在时，而非被动语态和过去时。
One great plus of Chinese (the language) is that it often tends to bring the speaker into the present tense.
汉语的一个最大的优点是它经常倾向于把使用者带到一种现在时的状态。
There are those who say "I think it will be better if we use the future and not the present tense."
还有些人说：“我认为使用将来时，而不是现在时会更好一些。”
Mind the form of the verb there: it is present tense intentionally.
注意一下这里动词的形式：我故意用了一般现在时。
Remember the simple use of the present tense to indicate a regular or frequent activity, e.g.
记住一般现在时的简单用法时表示定期的或者频繁的活动。
A Spanish verb has six present-tense forms, and six each in the preterite, imperfect, future, conditional, subjunctive and two different past subjunctives, for a total of 48 forms.
西班牙语的动词现在时有六种形态，过去时、未完成时、将来时、条件句、虚拟句以及另外两种过去时虚拟式也各自有六种形态，加起来一共是48种。
Action is always written in the present tense.
动作永远都是现在时态。
Use action words and present tense only. Practice the pitch aloud to sound conversational.
在撰写大纲时多用动词和现在时态，并以与人对话的方式大声练习宣讲你的大纲。
Similarities: high-pitched voice, repetitive use of grammatically acceptable words, present-tense verbs.
相同点：很高的声调，重复使用简单的句式。
Tell the others, your lovers, better not be present tense.
告诉别人，你所爱的人，最好不要现在时态。
Told the others, my lovers, both past and present tense.
告诉别人，我的爱人，过去和现在时态。
If you want to attract a man who is worthy of you, who will add to your happiness, then decide what qualities you want in a man and write an affirmation in the present tense.
如果你想找到一个配得上你，能让你幸福的男人，你必须先想好，你心目中的他，是个什么样子，拥有哪些特质，然后把它们填入下面的这句一般现在时句法里，作为一个自我的' '心理肯定' '句。
When you ask, in perfectly normal English, and in the present tense, "Are you coming tomorrow?"
如果你用无可挑剔的大众英语以现在时态提出问题，“你明天会到这里来吗？”
Write the goal down in present tense on a piece of paper or index card.
在纸上或索引卡上以现在时态将目标写下来。
The present perfect is almost a kind of present tense.
现在完成时总是一类现在时态。
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。
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。
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