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book 12: Conditional Sentences as phrase-complete card sequence (20 tappable rows, all patterns) — approved supersede of the scroll freeze

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Co-authored-by: Cursor <cursoragent@cursor.com>
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@@ -279,38 +279,54 @@ $GRAMMAR Conditional Sentences
ID: l1-s11 ID: l1-s11
INTRO: Here's how those "if" sentences work. The "if" clause uses the present tense, the main clause uses the present or future — and either clause can come first. INTRO: Here's how those "if" sentences work. The "if" clause uses the present tense, the main clause uses the present or future — and either clause can come first.
Conditional sentences have two parts: the if-clause and the main clause. One type of conditional sentence is used to show what may/will happen in the present/future if a certain condition happens. CARD: Conditional sentences have two parts: the **if-clause** and the **main clause**. Either one can come first.
{If the weather's good, we'll drive to the beach.}
{We'll drive to the beach if the weather's good.}
When the if-clause has the present tense, the main clause uses the present or future tense. Note that the if-clause may come before or after the main clause. CARD: When the if-clause has the **present tense**, the main clause uses the **present or future**:
{If the weather's good, we drive to the beach.}
{If the weather's good, we're driving to the beach.}
{If the weather's good, we'll drive to the beach.}
{If the weather's good, we're going to drive to the beach.}
CARD: The main clause can also carry a **modal**:
{Tom can come if he doesn't have to study.}
{Tom might come if he doesn't have to study.}
{Tom should come if he doesn't have to study.}
{Tom must come if he doesn't have to study.}
{Tom is able to come if he doesn't have to study.}
CARD: Questions work the same way — question the **main clause**:
{Could you read my paper if you have time?}
{Will you read my paper if you have time?}
{Are you going to read my paper if you have time?}
CARD: …and the question can follow the if-clause:
{If you finish early, how will you tell me?}
{If you finish early, what will you do?}
{If you finish early, where are you going?}
CARD: Three to remember:
{If you speed, you will get a ticket.}
{Mike must go if he has a reservation.}
{If the telephone rings, can you answer it?}
SUMMARY:
| If Clause | Main Clause | | If Clause | Main Clause |
|---|---| |---|---|
| If the weather's good, | we {drive} to the beach.<br>we{'re driving} to the beach.<br>we{'ll drive} to the beach.<br>we{'re going to drive} to the beach. | | If the weather's good, | we drive to the beach.<br>we're driving to the beach.<br>we'll drive to the beach.<br>we're going to drive to the beach. |
| Main Clause | If Clause | | Main Clause | If Clause |
|---|---| |---|---|
| Tom {can} come | if he doesn't have to study. | | Tom can / might / should / must / is able to come | if he doesn't have to study. |
| Tom {might} come | if he doesn't have to study. |
| Tom {should} come | if he doesn't have to study. |
| Tom {must} come | if he doesn't have to study. |
| Tom {is able to} come | if he doesn't have to study. |
| Main Clause (Questions) | If Clause | | Main Clause (Questions) | If Clause |
|---|---| |---|---|
| {Could you read} my paper | if you have time? | | Could you / Will you / Are you going to read my paper | if you have time? |
| {Will you read} my paper | if you have time? |
| {Are you going to read} my paper | if you have time? |
| If Clause | Main Clause (Questions) | | If Clause | Main Clause (Questions) |
|---|---| |---|---|
| If you finish early, | {how will you tell} me? | | If you finish early, | how will you tell me?<br>what will you do?<br>where are you going? |
| If you finish early, | {what will you do?} |
| If you finish early, | {where are you going?} |
**Examples:**
1. If you speed, {you will get} a ticket.
2. Mike {must go} if he has a reservation.
3. If the telephone rings, {can you answer} it?
# Source: ST §If We Go to the Beach, We'll Have a Good Time # Source: ST §If We Go to the Beach, We'll Have a Good Time
$DIALOGUE If We Go to the Beach, We'll Have a Good Time {st-page_021_001.jpg|Two young men talking inside a room while looking out towards a beach scene} $DIALOGUE If We Go to the Beach, We'll Have a Good Time {st-page_021_001.jpg|Two young men talking inside a room while looking out towards a beach scene}