If you really want to sound like you know your stuff, you need to understand the difference between subject pronouns and object pronouns. I, you, he, she, it, we and they are subject pronouns.

WE all know that when a sentence uses a transitive verb as the operative verb, it's absolutely necessary for the subject to take a direct object and to act on it: 'The woman spurned her suitor last ...

The object of "for" is the whole of the following clause, and not just the relative pronoun, and that clause should follow the proper rules of subject-verb-object grammar.

Learn and revise sentence types and clauses, nouns, adjectives and verbs with this BBC Bitesize GCSE English Language (AQA) study guide.

Learn about sentence types and clauses, nouns, adjectives and verbs to improve your grammar with BBC Bitesize GCSE English Language.

Even more unusual is the way Yoda famously speaks, ordering his sentences object-subject-verb, or OSV: The lightsaber Yoda grasped.