Sumario Unit 0 Verb Tenses

Inglés


UNIT 0: VERB TENSES


VERB TENSES
PRESENT SIMPLE
FORM
• Affirmative: infinitive/infinitive + -s/-es
• Negative: don’t/doesn’t + infinitive
• Interrogative: do/does + subject + infinitive

USES
• Habits and routines
• General truths
• Permanent situations
• Future activities in timetables
TIME EXPRESSIONS
• Always, usually, frequently, often, sometimes, ever, occasionally, rarely, seldom, hardly ever, never

PRESENT CONTINUOUS
FORM
• Affirmative: be + v-ing
• Negative: be not + v-ing
• Interrogative: be + subject + v-ing
USES
• Actions in process
• Future plans with a date
• Temporal situations
TIME EXPRESSIONS
• Now, right now, at the moment, today

PRESENT PERFECT
FORM
• Affirmative: have/has + past participle
• Negative: haven’t/hasn’t + past participle
• Interrogative: have/has + subject + past participle
USES
• Actions that started in the past and continue now
• Actions that have just happened

TIME EXPRESSIONS
• Already, yet, still, how long, ever, never, just
• For: period of time, for a long time, for ages
• Since: date, moment in time



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