Past Simple — English Grammar Exercises

Past Simple: A Complete Grammar Reference

The past simple is the most frequently used past tense in English and typically the first past form learners encounter, yet it remains a persistent source of error well into B2 level. Analysis of the Cambridge Learner Corpus shows that irregular verb errors account for roughly 30% of all past-tense mistakes at intermediate level, with forms like 'goed', 'writed', and 'taked' appearing even in otherwise fluent writing. A second cluster of errors involves the negative and question forms: because 'did' already carries the past meaning, the main verb must stay in its base form, and roughly one in five B1 learners still writes 'didn't enjoyed' or 'did you went'. These 45 exercises in 3 progressive blocks target the four areas where errors concentrate: regular -ed spelling rules, irregular verb forms, was/were, and the did + base pattern for negatives and questions.

Regular Verbs: Spelling Rules for -ed

Most English verbs form the past simple by adding -ed, but four spelling rules govern the exceptions. Verbs ending in a single vowel + single consonant double the final consonant: stop → stopped, plan → planned. Verbs ending in consonant + -y change the -y to -ied: try → tried, study → studied. Verbs already ending in -e add only -d: die → died, like → liked. Verbs ending in a vowel + consonant that is not doubled, or ending in two consonants, simply add -ed with no change: rain → rained, finish → finished, work → worked.

Irregular Verbs: No Predictable Pattern

A core group of high-frequency English verbs do not take -ed at all and must be memorised individually: go → went, have → had, see → saw, take → took, come → came, write → wrote, give → gave, meet → met, win → won, find → found, drive → drove, get → got, think → thought, speak → spoke. These are among the most common verbs in everyday English, which means learners encounter — and must produce — irregular forms constantly, long before they have built the vocabulary to avoid them.

Was / Were: The Past of Be

The verb be is the only English verb with two past forms. Use was with I, he, she, it; use were with you, we, they. Questions invert the subject and the verb directly — 'be' does not need 'did': Were you at home?, not Did you were at home? With 'there is/there are', the choice also depends on what follows: singular nouns take there was, plural nouns take there were.

Negative and Question Forms: Did + Base

For all verbs except be, the negative and question forms use the auxiliary did plus the base form of the main verb — never the past form twice. 'Did' already signals the past, so the main verb must not also change: didn't enjoy, not didn't enjoyed; Did you go?, not Did you went?. This 'double marking' error is one of the most persistent past-simple mistakes, because learners instinctively want to mark the past tense on every verb in the sentence.

Time Markers: Ago, Last, When

Three time expressions consistently pair with the past simple. Ago follows a period of time and counts back from now: three weeks ago. Last precedes a day, week, month, or year to mean 'the most recent one': last Friday, last month — never 'on last Friday'. When introduces a completed past event, often the first of two events in sequence: When Maria arrived, she gave the host a gift.

Common Mistakes

Frequently Asked Questions

What is the difference between the past simple and the past continuous?

The past simple describes a completed action or a sequence of finished events: 'I opened the door and walked in.' The past continuous (was/were + -ing) describes an action already in progress at a specific past moment, often interrupted by a shorter action in the past simple: 'I was cooking when the phone rang.' As a rule of thumb, use the past simple for the main storyline of events and the past continuous for the background scene or an action that was interrupted. Many sentences combine both: the longer, ongoing action takes the continuous form, and the shorter, completed action that interrupts it takes the simple form.

How do you form negative sentences in the past simple?

Use the auxiliary 'did not' (didn't) followed by the base form of the main verb, for every verb except 'be'. The auxiliary 'did' already carries the past-tense meaning, so the main verb must not be changed a second time: 'She didn't enjoy the film,' not 'she didn't enjoyed.' For the verb 'be', don't use 'did' at all — negate 'was/were' directly with 'not': 'I wasn't at home,' 'they weren't happy.' This single-marking rule is the same one that applies to questions: 'Did you go?' not 'Did you went?'

What are the most common irregular verbs in English?

High-frequency irregular verbs include: be → was/were, go → went, have → had, see → saw, take → took, come → came, write → wrote, give → gave, get → got, think → thought, speak → spoke, find → found, win → won, and meet → met. These verbs cannot be predicted from spelling rules and must be learned individually, ideally in full sentences rather than as isolated word pairs. Because these are among the most common verbs in everyday English, they appear constantly in speech and writing, so memorising them early has a disproportionately large effect on overall accuracy.

When do you use 'ago', 'last', and 'when' with the past simple?

'Ago' always follows a period of time and counts backward from the present moment: 'three weeks ago', 'two years ago' — it never comes before the time period. 'Last' comes directly before a day, week, month, season, or year to mean the most recent one: 'last Friday', 'last summer' — never 'on last Friday' or 'in last summer'. 'When' introduces a completed past event, typically the first event in a two-event sequence: 'When Maria arrived, she gave the host a gift.' All three expressions require the past simple, not the present perfect.

Also Practice

Last updated: 2026-09-17 · Satori Editorial