Dだ調的華驪的回答：

designed.designing,designs

• design作动词指“计划，决意”时，后面可跟不定式或动名词，也可以跟that引导从句。
  • They design going/to go at once. 他们决定现在就出发。
  • He designs that the house shall be redecorated in the summer. 他计划在夏季重新装饰房子。
• design作名词指“设计，图案”时，后面的介词of通常可以省略。
  • These handkerchiefs are (of) a very smart design. 这些手帕的设计很漂亮。

provided,providing,provides

• provide作及物动词时，指“规定”，后可接that从句。值得注意的是从句中要用shall/should，不用will/would，偶尔可用虚拟现在式。
  • The contract provides that only the best materials shall be used. The contract provides that only the best materials be used. 合同规定说只允许用最好的材料。
• provided可作连接词，原属于provide的过去分词， provided ...或provided that ...指“规定或以……作条件”。当用于正式英语中时，provided .../provided that ...可等同于“if...”。
  • I will go provided (that) you will go with me. I will go if you will go with me. 两句意思一样，但注意两者不能随便替换。
  • What will happen if they see us? 句中的if不可以替换成provided。不过通常来说，用provided的场合，用if都是可以的。

 polluted,polluting.pollutes

及物动词 vt. 1. 污染,弄脏 Garbage pollutes our rivers and lakes. 垃圾污染我们的河川湖泊。 2. 玷污,败坏 Our store never sells books which pollute the mind. 我们书店从不出售污染心灵的书籍。

offered,offering,offers

• offer作名词或动词时，后均可加不定式，但是在作名词时所接的不定式的动作一般是由提出offer的人做的。
  • He made an offer to teach me French. 他提议教我学法语。
• offer和give不可同时使用，因都有“提供”的意思，有重复性。
  • He offered to give her help. He offered her help. 第一句是错误的，应用第二句的格式。
• Both advice and help were offered (to) the young man.句中的to在英国不可省略，但在美国可省略。

agreed,agreeing,agrees

• agree指“承认”时，后可接that从句。
  • I agree that the book is well worth reading.
• 不定式前通常加agree而不是accept。
  • I agreed to meet them here. 不用accept to do。
• agree接不同介词表示不同意思： agree with指“同意”，后面接“人”或者“意见”。
  • I agree with you. I agree with what you say.
  agree to指“同意于”，后面接意为“提议”，“办法”，“计划”等的词。
  • I agree to the proposal / arrangement.
  agree on/upon指“(双方)决定”。
  • They agree on/upon these terms.
• agreed指“互相同意的”，作为不及物动词的过去分词时，可作形容词，后可接that从句。
  • We are agreed that the meeting must be held not later than 8 August.
• agree也可作为及物动词的过去分词。
  • We met at an agreed place at an agreed time.
• agreed to do表示“在别人建议下同意做某事”，而agreed in doing表示“彼此间相互同意做某事”；
• 容易混淆意思的句子：
  • I agree that he call on me every Sunday. 我赞同他每星期曰来访。
  • I agree that he calls on me every Sunday. 我承认他是每星期日来访的。

 whispered,whispering.whispers

不及物动词 vi. 1. 低语,耳语;私语 She is whispering to him. 她正对他窃窃私语。 2. (风,树叶等)飒飒地响 The wind was whispering in the trees. 风在树林中飒飒作响。 及物动词 vt. 1. 低声说出;私下告诉 "She is coming," he whispered. "她来了,"他低声地说。 2. 暗中传说;背后议论[H][+that] 名词 n. [C] 1. 耳语,私语 They debated it in whispers. 他们低声辩论。 2. 飒飒声;潺潺声 3. 传闻,流言[(+about)][+that] I've heard a whisper that he has cancer. 我听到他得了癌症的传闻。

lost.losing.loses

• lose no time in ...一般表示“赶快去……”，有时也表示“不白费时间在……”。在容易产生歧义的场合应避免使用。注意in有时被省略。
  • I lost no time (in) following up the idea. 我要赶紧跟进这个想法。
• lost to...通常作“失去了……”解，不过应在容易被误会的场合避免使用。
  • The opportunity was lost to him. 他失去了机会。
• lose后可跟双宾语。
  • His laziness lost him his job. 他的懒惰使他失去了职位。
• lose是短暂动词，所以不可用于完成时态。
  • He has lost his pen for a week. He lost his pen a week ago. It is a week since he lost his pen. 第一句的表达方式是错误的，后面两句的表达方式是正确的。
• lose作“迷路”意时为及物动词，后面须跟宾语，如lose one's way。

joked.joking,jokes

名词 n. [C] 1. 玩笑,戏谑 You have taken my little joke too much to heart. 你把我的小玩笑太当真了。 2. 笑柄,笑料 He's the joke of the whole village. 他是全村的笑柄。 3. 无需认真对待的事情;轻松的事;容易的事 Being cold and hungry is no joke. 饥寒交迫可不是闹着玩的。 不及物动词 vi. 1. 开玩笑[(+about/with)] I'm only joking. 我只是开玩笑而已。 及物动词 vt. 1. 开...的玩笑,戏弄

might¹ 名词 n. [U] 1. 力量,威力;能力 To be frank, this mission is beyond my might. 说实话,这一使命非我能力所及。 He fought back with all his might. 他倾全力反击。 2. 强权;势力 might² 助词 v.aux. 1. (may的过去式)(表示可能、不确定、期望、许可等,相当于may,但更带迟疑、婉转等色彩)可能;可以 It might rain. 可能下雨。 2. (may的过去式)(用于表示与事实相反情况的虚拟语气中)会,能 If you were older you might understand. 假如你年龄再大一点,你就会理解了。 3. (may的过去式)(表示请求或婉转的责备)请;应该 You might at least apologize. 你至少应该道歉一下。

shined/shone,shining,shines

不及物动词 vi. 1. 发光;照耀 The sun shone bright and warm. 阳光灿烂和煦。 2. 显露;发亮 The joy shone clear on his face. 他喜形于色。 3. 出众,杰出[(+at/in)] He shines at golf. 他高尔夫球打得很出色。 及物动词 vt. 1. 把...的光投向,把...照向[O] He shone the flashlight on the water. 他用手电筒照了照水面。 2. (shined; shined)擦亮 Have you shined your boots? 你皮靴擦过没有? 名词 n. 1. 光,光亮;光泽;光彩[S] The waxed floor had a good shine. 打蜡地板闪闪发光。 2. 磨光,擦亮[S] 3. 【美】擦皮鞋[S] Your shoes need a shine. 你的皮鞋要擦一擦。 4. 阳光,晴天[U]