Post to del.icio.us> Ccall [error] i'll call at mr brown. [is] i'll call on mr brown. [error] i'll call on mr brown's home. [is] i'll call at mr brown's home. [analysis] to "visit" when speaking, at followed by access location, and on followed by people interviewed. call on drop in visit call on more formal for the official visit, such as: we were called on by the old students. The drop in is a more casual walk, Chenpian visit, such as: if you're free, drop in. The visit is a more formal communication or a friendly visit exchanges, such as: my school's headmaster will visit america next week. can [error] a blind man can not judge colours. [is] a blind man cannot judge colours. [error] i cann't call for you at ten. [ is] i can't call for you at ten. [analysis] can be as a form of denial cannot or can't. [error] it's only six o'clock. that mustn't be the postman. [is ] it's only six o'clock. that can't be the postman. [analysis] must be used to represent a definite inference, such as: she must have some probls. she keeps crying. but deny the sentence is to use can't, to speculate that the past is to use "must + have + past participle" of express law, such as: the lights have gone out.a fuse must have blown. The denial of the past speculated that the multi-purpose " can ' t + have + past participle ", such as: i don't think he can have heard you. call again. [error] we could not help to laugh at once. [is] we could not help laughing at once. [is] we could not help but laugh at once. [analysis] "couldn't help + fixed table name the word" do nothing that could not help but could not help but to be back and could not but add to the uncertainty with no type, meaning all had to do nothing, such as: you could not (help) but respect him. can be able to can and be able to can be used to indicate the ability, but can only present with the past, be able to state any time is available, such as: he will be able to teach the child. but that after vigorously to reach one-time action you can only be able to, such as: he finally was able to jump over 2 10 meters. or: the plane was able to fly over the mountain. but it should be noted that these two words have no tense, and be able to take back the infinitive is not dynamic. can could can and could have can be used in the vernacular in the present tense, but could use more polite, more tactful tone, such as: could you tell us a story? care [error] i don't care coffee. [is] i don't care for coffee. [error] take care for your steps. [now] take care of your steps. [Analysis] care for a "sense of something fun", and care of the "care, be careful all right." such as: she didn't care for him. take care of what you are doing. [error] i don't care where we will go if it doesn'train . [is] i don't care where we go if it doesn'train . [analysis] in it doesn't matter, i don't care, i don't mind, and in case leads to the adverbial Now that the clause will be used later, such as: i've got a football in case we have time for a game. change [error] i want to change my camera with that one. [now] i want to change my camera for that one. [Analysis] change for to the "something for the exchange of material." and change with is "with ... ... and change", such as: the wood's colour changed with the season. cheap [error] a teacher's salary is generally very cheap. [is] a teacher's salary is generally very low. [analysis] to use the level of wages low, cheap is cheap, if not it will need to talk about affordable expensive, such as: this car is not expensive. choose [error] we each had to have a choose of a or b. [is] we each had to have a choice of a or b. [analysis] choice is Table name of the word, and choose a verb. [1] [2] [3] [4] [Next] For more information visit: Sina in the test channel in the test forum test blog circle bounds Note: Due to various circumstances continue to adjustments and changes, Sina provides all the test information is for reference only, please candidate to official information released by authorities shall prevail.>