Editing Auxiliary verb (section)

==Basic examples==
Below are some sentences that contain representative auxiliary verbs from [[English language|English]], [[Spanish language|Spanish]], [[German language|German]] and [[French language|French]], with the auxiliary verb marked in bold:

::a. '''Do''' you want tea? <small>– ''do'' is an auxiliary accompanying the infinitive, ''want'', used here to form a question – see [[do-support|''do''-support]].</small>

::b. She '''has''' given her best shot. <small>– ''have'', from which ''has'' is [[inflection|inflected]], is an auxiliary used in expressing the [[perfect aspect]] of ''give''.</small>

::c. '''He''' cogido tu lápiz. <small>– ''he'' is an auxiliary accompanying the infinitive ''coger'', used here to form a verb phrase, the perfect present in Spanish.</small><ref>Concerning the use of ''coger'' as an auxiliary in Spanish, see for instance https://chimichurris1ba.files.wordpress.com/2013/09/manual-sintaxis-1c2ba-bachillerato.pdf.</ref>
:::(I) have grabbed your pencil = 'I have taken your pencil.'

::d. Das '''wurde''' mehrmals gesagt. <small>– ''werden'', from which ''wurde'' is inflected, ''become'' is an auxiliary used to build the [[passive voice]] in German.</small><ref>Concerning the use of ''werden'' as an auxiliary in German, see for instance Engel (1994:114).</ref>
:::That became many times said = 'That was said many times.'

::e. Sie '''ist''' nach Hause gegangen. <small>– ''sein'', from which ''ist'' is inflected, 'be' is an auxiliary used with movement verbs to build the perfect tense/aspect in German.</small><ref>Concerning ''sein'' as an auxiliary in German used to form perfect tense/aspect, see Eroms (2000:138f.)</ref>
:::She is to home gone = 'She went home/She has gone home.'

::f. J{{'}}'''ai''' vu le soleil. <small>– ''avoir'', from which ''ai'' is inflected, 'have' is an auxiliary used to build the perfect tense/aspect in French.</small><ref>Concerning the selection of ''avoir'' or ''être'' as the auxiliary verb to form perfect tense/aspect in French, see Rowlett (2007:40f.).</ref>
:::I have seen the sun = 'I have seen the sun/I saw the sun.'

::g. Nous '''sommes''' hébergés par un ami. <small>– ''être'', from which ''sommes'' is inflected, 'be' is an auxiliary used to build the passive voice in French.</small><ref>Concerning ''être'' as the auxiliary used to build the passive voice in French, see Rowlett (2007:44f.).</ref>
:::We are hosted by a friend.

These auxiliaries help express a question, show tense/aspect, or form passive voice. Auxiliaries like these typically appear with a full verb that carries the main semantic content of the clause.