"Idioms and Two-or Three-Word Verbs". :




About time: indicates that something should have happened earlier
:
Example: After working for this company for 3 years, he felt that it was about time he received a promotion




About to: ready to, at the point of
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Example: Now that she is about to enter college, she has moved out of her parents house




Ahead of time: early, in advance
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Example: Preparing for presentations ahead of time is important for the success of any business




All along: from the beginning, always, all the time
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Example: Television networks have declared all along that they do not attempt to influence their watchers



All at once: suddenly, surprisingly, and unexpectedly
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Example: All at once, with the collapse of the stock market, many people found themselves financially bankrupt




All day long: the entire day
: .
Example: Educators frequently insist on the idea of studying the same material all day long




All in all: everything taken into account, everything considered
: .
Example: All in all, environmental concerns have got considerable attention in the media





All the time: (1) continually, regularly. (2) During a certain period of time
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Example: Adults should receive a consistent amount of sleep all the time




As for: referring to, concerning, regarding
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Example: As for updating the chemistry curriculum, the current budget is not enough to expand our recourses





As usual: as occurs most of the time, typically
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Example: As usual, the publishers have missed the deadline for handling of the new edition of the book





At first: at the beginning
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Example: At first, adjusting to new schools may seem almost impossible to foreign students





At last: finally, after along time
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Example: The admissions office had been requesting English books for 5 months and, at last, it arrived





At (the) least: no less than, minimum
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Example: Although the entire staff does not need to attend the meeting, at least the production supervisors should be there.





At (the) most: maximum, not more than
: .
Example: A letter sent by first-class mail should take at most three days to travel from California to Boston