<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;">Hi Christian,<div>The best discussion I have seen is Halliday’s discussion of what he calls “projection" in his Intro to Functional Grammar (2nd edition, 1994), Ch. 7 (attached).</div><div><br></div><div>In terms of your examples (3) and (4), Halliday analyses them as realis and irrealis respectively.</div><div><br></div><div>All the best,</div><div>Randy</div><div><br><div>
<meta charset="UTF-8"><div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div dir="auto" style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><div><div><span style="font-size: 14px;">——</span></div><div><span style="font-size: 14px;">Professor Randy J. LaPolla</span><span style="font-family: Verdana, Helvetica, Arial; font-size: 13.333333015441895px; orphans: 2; widows: 2;">（罗仁地)</span><span style="font-size: 14px;">, PhD FAHA </span></div><div><span style="font-size: 14px;">Center for Language Sciences</span></div><div><span style="font-size: 14px;">Institute for Advanced Studies in Humanities and Social Sciences</span></div><div><span style="font-size: 14px;">Beijing Normal University at Zhuhai</span></div><div><span style="font-size: 14px;">A302, Muduo Building, #18 Jinfeng Road, Zhuhai City</span><span style="font-size: 14px;">, Guangdong</span><span style="font-size: 14px;">, China</span></div><div><span style="font-size: 14px;"><br></span></div><div><span style="font-size: 14px;"><a href="https://randylapolla.info">https://randylapolla.info</a></span></div><div><span style="font-size: 12pt; font-family: "Times New Roman", serif;">ORCID ID:<span class="Apple-converted-space"> </span><span style="color: rgb(73, 74, 76); background-color: white;"><a href="https://orcid.org/0000-0002-6100-6196">https://orcid.org/0000-0002-6100-6196</a> </span></span> </div><div><span style="font-size: 14px;"><br></span></div><div><span style="font-size: 15px;">邮编：519087</span><br style="font-size: 15px;"><span style="font-size: 15px;">广东省珠海市唐家湾镇金凤路18号木铎楼A302</span><br style="font-size: 15px;"><span style="font-size: 15px;">北京师范大学珠海校区</span><br style="font-size: 15px;"><span style="font-size: 15px;">人文和社会科学高等研究院</span><br style="font-size: 15px;"><span style="font-size: 15px;">语言科学研究中心 </span></div></div><div><br></div></div></div></div></div></div></div></div></div></div></div></body></html>