1. Fill in the missing form in the correct tense. Watch out for signal words.

Решение:

• a) Walter went (go) to school last week. (Signal word: 'last week' indicates Simple Past)
• b) Why do you always sleep (sleep) in front of the TV? (Signal word: 'always' indicates Simple Present, habitual action)
• c) What will you do (do) next year? (Signal word: 'next year' indicates Future Simple)
• d) We will not celebrate (not/celebrate) our anniversary in 2050. (Signal word: 'in 2050' indicates Future Simple)
• e) Tom stays (stay) at home on Mondays. (Signal word: 'on Mondays' indicates Simple Present, habitual action)
• f) Where do you often sit (sit)? (Signal word: 'often' indicates Simple Present, habitual action)
• g) How much money does your father earn (earn) every month? (Signal word: 'every month' indicates Simple Present, habitual action)
• h) Yesterday we did not watch (not/watch) birds. (Signal word: 'Yesterday' indicates Simple Past)
• i) Where were you be two days ago? (Signal word: 'two days ago' indicates Simple Past)
• j) Who stood (stand) behind the curtains last night? (Signal word: 'last night' indicates Simple Past)
• k) They rarely buy (buy) some milk in the supermarket. (Signal word: 'rarely' indicates Simple Present, habitual action)
• l) When did you meet (meet) your best friend the last time? (Signal word: 'the last time' indicates Simple Past)
• m) My classmate always reads (read) books. (Signal word: 'always' indicates Simple Present, habitual action)
• n) What will you think (think), if your brother steals (steal) your money? (Conditional sentence, 'if' clause in Present Simple, main clause in Future Simple)
• o) Why are you be here now? (Signal word: 'now' indicates Present Continuous, but 'be' is a stative verb, so Present Simple is used for general state/reason)
• p) I did not hear (not/hear) you because I was listening to music. (Past action interrupted by another past action, 'because' indicates reason for not hearing in the past)
• q) We cleaned (clean) your apartment after you had had a party there. (Sequence of past actions, 'after' indicates the first completed action in the past)
• r) Last night we could not stand (cannot/stand) the smoke. (Signal word: 'Last night' indicates Simple Past. 'Cannot' in the past becomes 'could not')
• s) Why do you always talk (talk) about me? (Signal word: 'always' indicates Simple Present, habitual action)
• t) If you leave, I will miss (leave), I (miss) you. (Conditional sentence, 'if' clause in Present Simple, main clause in Future Simple)
• u) We do not eat (not/eat) during lessons. (Signal word: 'during lessons' implies a general rule or habit, thus Simple Present)
• v) My sister waters (water) the plants every day. (Signal word: 'every day' indicates Simple Present, habitual action)
• w) Last Christmas I did not get (not/get) any presents. (Signal word: 'Last Christmas' indicates Simple Past)
• x) In the evenings my parents do not play (not/play) cards. (Signal word: 'In the evenings' indicates Simple Present, habitual action)
• y) Did you know (know) you? I haven't met you before. (Past action of knowing, but the context 'I haven't met you before' implies a past state of knowing)
• z) Please, help (help) me. (Imperative mood, base form of the verb)

Will-future: next day/year/..., tomorrow, in 2030,

Simple past: last year/month/..., yesterday, 2 days ago, in 2010

Simple present: usually, sometimes, always, often, never, every day, (rarely, seldom)