Auxiliaries here are used both alone and as part of various tenses of ordinary verbs.
Read the following (a) in the negative (b) in the interrogative. These sentences, except for
nos. I and 13, could also be used for question tag exercises (see Exercise 13). PEG 106-7, 123, 126 (see also Exercise 17)
Some auxiliaries when used in certain ways make their negative and interrogative
according to the rule for ordinary verbs, i.e. with do.
Sometimes either form is possible.
Edward H. Shortliffe is Professor of Basic Medical
Sciences and Professor of Medicine at the University
of Arizona College of Medicine and Professor of
Biomedical Informatics at Arizona State University.
Until May 2008 he served as the founding dean of
the Phoenix campus of the University of Arizona’s
College of Medicine. Previously he was the Rolf A.
Scholdager Professor and Chair of the Department
of Biomedical Informatics at Columbia College of
Physicians and Surgeons in New York City (2000-
2007) and Professor of Medicine and of Computer
Science at Stanford University (1979-2000).
Can, could, will, and would are modal auxiliary verbs, often called models. Modals are very important in English, but they can be confusing because they are used to say many different things. Here is a basic review of can, could, will, and would and their most common uses.
By the end of the lesson, Sts will be able to pronounce strong and weak forms of
auxiliaries correctly, review adverbial clauses of concession: (al) though/ even though. Skills: Reading, Speaking, Writing, Listening Teaching aids: English textbook 12, pictures, posters.
U2 snRNP auxiliary factor (U2AF) is an essential heterodimeric splicing
factor composed of two subunits, U2AF
. During the past
few years, a number of proteins related to both U2AF
been discovered. Here, we review the conserved structural features that
characterize the U2AF protein families and their evolutionary emergence.