http://www.englishforums.com/English/GeneralEnglishGrammarQuestions/Forum12.htmAsk your questions on grammar and get your sentence checked. We answer lots of different types of general English grammar questions here.enCSMOD (Build: 3232.18851)http://www.englishforums.com/English/ToeicQInfinitives/gwghv/post.htm#542287Wed, 16 Jul 2008 09:16:33 GMT946f00bb-57d3-4b7b-a9a2-059b5341af52:542287Lcchang0http://www.englishforums.com/English/ToeicQInfinitives/gwghv/post.htm#542287http://www.englishforums.com/English/comments12-542287.xmlSo it can be with or without &quot;to&quot;. I got it, thanks.<div style="clear:both;"></div>http://www.englishforums.com/English/ToeicQInfinitives/gwvkk/post.htm#541766Tue, 15 Jul 2008 09:48:55 GMT946f00bb-57d3-4b7b-a9a2-059b5341af52:541766Mister Micawber1http://www.englishforums.com/English/ToeicQInfinitives/gwvkk/post.htm#541766http://www.englishforums.com/English/comments12-541766.xml.<br />It is optional here.&nbsp; Style suggests omitting it, since it is unnecessary for the parallelism.<br />.<div style="clear:both;"></div>http://www.englishforums.com/English/ToeicQInfinitives/gwvjx/post.htmTue, 15 Jul 2008 08:03:09 GMT946f00bb-57d3-4b7b-a9a2-059b5341af52:541753Lcchang2http://www.englishforums.com/English/ToeicQInfinitives/gwvjx/post.htmhttp://www.englishforums.com/English/comments12-541753.xml<span style="COLOR:#4040ff;">After I had advised her (A) <span style="text-decoration:underline;">to make</span> her plan and (B) <span style="text-decoration:underline;">invest</span>, she delayed (C)&nbsp;<span style="text-decoration:underline;">buying</span> and considered (D) <span style="text-decoration:underline;">to quit </span>the market altogether.<br /></span><br />I chose (D) to be corrected to quitting. But I also wonder if there should be an infinitive &quot;to&quot; before &quot;invest&quot;, so it&#39;s like &quot;to invest&quot;. Please advise.<div style="clear:both;"></div>