English grammar worksheet focusing on simple past, simple present, and will-future tenses with fill-in-the-blank exercises.

Task: Fill in the missing forms in the correct tense (simple past, simple present, or will-future). Watch out for signal words.

Here is the solution with explanations for each part:

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#### a) Walter _______ (go) to school last week.
- Signal word: "last week" (past time)
- Tense: Simple Past
- Answer: went

Completed sentence: Walter went to school last week.

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#### b) Why _______ you always _______ (sleep) in front of the TV?
- Signal word: "always" (habitual action)
- Tense: Simple Present
- Answer: do, sleep

Completed sentence: Why do you always sleep in front of the TV?

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#### c) What _______ you _______ (do) next year?
- Signal word: "next year" (future time)
- Tense: Will-Future
- Answer: will, do

Completed sentence: What will you do next year?

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#### d) We _______ (not/celebrate) our anniversary in 2050.
- Signal word: "in 2050" (future time)
- Tense: Will-Future
- Answer: won't celebrate

Completed sentence: We won't celebrate our anniversary in 2050.

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#### e) Tom _______ (stay) at home on Mondays.
- Signal word: "on Mondays" (habitual action)
- Tense: Simple Present
- Answer: stays

Completed sentence: Tom stays at home on Mondays.

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#### f) Where _______ you often _______ (sit)?
- Signal word: "often" (habitual action)
- Tense: Simple Present
- Answer: do, sit

Completed sentence: Where do you often sit?

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#### g) How much money _______ your father _______ (earn) every month?
- Signal word: "every month" (habitual action)
- Tense: Simple Present
- Answer: does, earn

Completed sentence: How much money does your father earn every month?

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#### h) Yesterday we _______ (not/watch) birds.
- Signal word: "yesterday" (past time)
- Tense: Simple Past
- Answer: didn't watch

Completed sentence: Yesterday we didn't watch birds.

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#### i) Where _______ you two days ago?
- Signal word: "two days ago" (past time)
- Tense: Simple Past
- Answer: were

Completed sentence: Where were you two days ago?

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#### j) Who _______ (stand) behind the curtains last night?
- Signal word: "last night" (past time)
- Tense: Simple Past
- Answer: stood

Completed sentence: Who stood behind the curtains last night?

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#### k) They rarely _______ (buy) some milk in the supermarket.
- Signal word: "rarely" (habitual action)
- Tense: Simple Present
- Answer: buy

Completed sentence: They rarely buy some milk in the supermarket.

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#### l) When _______ you _______ (meet) your best friend the last time?
- Signal word: "the last time" (past time)
- Tense: Simple Past
- Answer: did, meet

Completed sentence: When did you meet your best friend the last time?

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#### m) My classmate always _______ (read) books.
- Signal word: "always" (habitual action)
- Tense: Simple Present
- Answer: reads

Completed sentence: My classmate always reads books.

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#### n) What _______ you _______ (think), if your brother _______ (steal) your money?
- Signal word: "if" (conditional statement)
- Tense: Would + verb (for "think"), would + verb (for "steal")
- Answer: would, think, steals

Completed sentence: What would you think, if your brother steals your money?

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#### o) Why _______ (be) you here now?
- Signal word: "now" (present time)
- Tense: Simple Present
- Answer: are

Completed sentence: Why are you here now?

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#### p) I _______ (not/hear) you because I was listening to music.
- Signal word: "was listening" (past continuous, so use simple past for the main verb)
- Tense: Simple Past
- Answer: didn't hear

Completed sentence: I didn't hear you because I was listening to music.

---

#### q) We _______ (clean) your apartment after you had had a party there.
- Signal word: "after you had had a party" (past time)
- Tense: Simple Past
- Answer: cleaned

Completed sentence: We cleaned your apartment after you had had a party there.

---

#### r) Last night we _______ (cannot/stand) the smoke.
- Signal word: "last night" (past time)
- Tense: Simple Past
- Answer: couldn't stand

Completed sentence: Last night we couldn't stand the smoke.

---

#### s) Why _______ you always _______ (talk) about me?
- Signal word: "always" (habitual action)
- Tense: Simple Present
- Answer: do, talk

Completed sentence: Why do you always talk about me?

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#### t) If you _______ (leave), I _______ (miss) you.
- Signal word: "If" (conditional statement)
- Tense: Would + verb (for "miss"), leave (base form for condition)
- Answer: leave, will miss

Completed sentence: If you leave, I will miss you.

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#### u) _______ (not/eat) during lessons.
- Signal word: No specific time indicator, but implied as a general rule.
- Tense: Simple Present
- Answer: don't eat

Completed sentence: Don't eat during lessons.

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#### v) My sister _______ (water) the plants every day.
- Signal word: "every day" (habitual action)
- Tense: Simple Present
- Answer: waters

Completed sentence: My sister waters the plants every day.

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#### w) Last Christmas I _______ (not/get) any presents.
- Signal word: "Last Christmas" (past time)
- Tense: Simple Past
- Answer: didn't get

Completed sentence: Last Christmas I didn't get any presents.

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#### x) In the evenings my parents _______ (not/play) cards.
- Signal word: "In the evenings" (habitual action)
- Tense: Simple Present
- Answer: don't play

Completed sentence: In the evenings my parents don't play cards.

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#### y) _______ I _______ (know) you? I haven't met you before.
- Signal word: "haven't met" (present perfect, so use simple present for the question)
- Tense: Simple Present
- Answer: Do, know

Completed sentence: Do I know you? I haven't met you before.

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#### z) Please, _______ (help) me.
- Signal word: "Please" (request/command)
- Tense: Base form (imperative mood)
- Answer: help

Completed sentence: Please, help me.

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Final Answer:

\boxed{
\begin{aligned}
&\text{a) went} \\
&\text{b) do, sleep} \\
&\text{c) will, do} \\
&\text{d) won't celebrate} \\
&\text{e) stays} \\
&\text{f) do, sit} \\
&\text{g) does, earn} \\
&\text{h) didn't watch} \\
&\text{i) were} \\
&\text{j) stood} \\
&\text{k) buy} \\
&\text{l) did, meet} \\
&\text{m) reads} \\
&\text{n) would, think, steals} \\
&\text{o) are} \\
&\text{p) didn't hear} \\
&\text{q) cleaned} \\
&\text{r) couldn't stand} \\
&\text{s) do, talk} \\
&\text{t) leave, will miss} \\
&\text{u) don't eat} \\
&\text{v) waters} \\
&\text{w) didn't get} \\
&\text{x) don't play} \\
&\text{y) Do, know} \\
&\text{z) help}
\end{aligned}
}