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able的各种英语形式

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    able的各种英语形式

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    -able or -ible | How to Spellableible-ablenewIf the root word ends in 'eBUTeeeeBut we can drop the 'e' or keep the 'e in these words, both are correct: likeable/ likable, lovable /loveable, useable/usable.The y becomes i when adding -able: justify - justifiable, rely - reliable.We can also apply the 1:1:1: doubling up rule when adding -able so forget = forgettable. The second syllable is stressed and it has 1 vowel and 1 consonant so double up the 't' - forget; forgettable or regret; regrettable). Check out my other video on the doubling up 1:1:1 rule - click here.Also, we usually keep the 'e' with words ending in -ce and -ge so the words retain the soft c and g sound: changeable, manageable, noticeable, peaceable, pronounceable, serviceable, traceable, knowledgeable. -iblenoAs a general rule we aren't left with a root word when we take away the -ible ending like in the -able endings - terr/ible. horr/ible, vis/ible. BUT as I've said before, there are always exceptions - look at these: corrupt + ible = corruptible, destruct/ible, contempt/ible, perfect/ible, covertible, digestible. Also access/ible, flexible. *notice the -tible pattern. It's always great to see patterns and also to know and understand exceptions to rules.We also drop the 'e' with -ible: collapse + ible = collapsible, response + ible = responsible, sense + ible = sensible, reduce + ible = reducibleWords ending in c have a softer sound with -ible: forcible, invincible, reducibleterrible, horrible, incredible, sensible, edible, accessible, flexible, legible, collapsible, reducible, responsible, reversible.

    1. 表示“有能力的”、“能干的”,可用作表语或定语。如: He is an able manager. 他是位有能力的经理。 He is old but still able. 他虽年老,但仍有很能干。 2. 用于 be able to do sth(能或会做做某事)。如: He is able to speak English. 他会说英语。 Everyone here is able to type. 这儿的每一个人都会打字。 He will be able to get about in a week or two. 再过一两个星期左右他就能走动了。 He studied hard and was able to pass his examinations. 他学习很努力,所以考试及了格。 注:be able to 不仅有多种时态形式(通常不用于进行时或与 be going to 连用),而且还可以与某些情态动词连用(通常不与 can 连用),甚至还可以有非谓语形式。如: Since his accident he hasn’t been able to leave the house. 自出事之后,他一直未能离开家。 You might be able to persuade him. 你也许能够说服他。 I hope to be able to do the work. 我希望能干得了这项工作。 I regret not being able to help her. 我很遗憾未能帮助她。 3. able 的比较级和最高级通常是 abler 和 ablest,也可以是 more able 和 most able,有时还可用 better able和best able。如: You are better able to do it than I (am). 你比我更有能力做这件事。 She’s the person best able to cope. 她是个最能妥善处理问题的人。 4. 若要加强语气,其前除可very, quite, perfectly等修饰外,有时还可用well修饰。如: He is quite [well] able to take care of himself. 他完全有能力照顾自己。 He’s a very able student; he’s just too lazy. 他是个很有能力的学生,只是太懒了。 若受just, only just修饰,则表示“只能”“仅能”。如: I was just able to make out a dark figure in the distance. 我只能看见远处有个黑影。 5. able的反义词是unable(不能的,不会的),不是disable,后者是动词,其意为“使残废”“使无能力”。比较: They were unable to reach a decision. 他们没法做出决定。 Now that he was disabled, his house had become a prison to him. 因为他残废了,他的房子就成了他的牢笼。

    be able to形式

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