Jumat, 18 Desember 2009

Penjelasan Tentang (buat bahan belajar, diambil dari materi DB19)

CONDITIONAL SENTENCE

Conditional Sentences are also known as Conditional Clauses or If Clauses. They are used to express that the action in the main clause (without if) can only take place if a certain condition (in the clause with if) is fulfilled. There are three types of Conditional Sentences.
Introduction

One of the confusing issues for a language learner is the fact that a single idea can be conveyed in a number of different ways. These different ways may sound very similar but, in most cases, are not interchangeable. That is, although there can be a variety of avenues that a speaker tan take, only one will do the task with utmost linguistic and social appropriateness. This fact is sometimes ignored in grammar books, and particularly ESL/EFL texts, which, in most cases, present a number of different forms that tan function as acceptable linguistic behavior in a certain situation, but without explaining the subtle differences that distinguish them from one another. Students feel confused, and numerous questions arise in their minds such as, "if I tan use X to convey this message why should I learn Y," or, "if I can express this notion by means of Y, what is the use of having X'?" etc. The TEFL experience of this author, as well as that of many others, indicates that students often wonder whether it makes any difference whether to front or delay conditional clauses
Example: a. If I were rich, I would buy a mansion.
b. I would buy a mansion if I were rich.

Conditional Sentence Type 1
→ It is possible and also very likely that the condition will be fulfilled.
Form: if + Simple Present, will-Future
Example: If I find her address, I’ll send her an invitation.
Conditional Sentence Type 2
→ It is possible but very unlikely, that the condition will be fulfilled.
Form: if + Simple Past, Conditional I (= would + Infinitive)
Example: If I found her address, I would send her an invitatio
Conditional Sentence Type 3
→ It is impossible that the condition will be fulfilled because it refers to the past.
Form: if + Past Perfect, Conditional II (= would + have + Past Participle)
Example: If I had found her address, I would have sent her an invitation.

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