Negation in Different Tenses

1 With auxiliary verbs: Subject + Auxiliary + "not" + Main verb
2 Example: "I am happy" → "I am not happy"
3 With main verbs: Subject + Do/Does/Did + "not" + Base verb
4 Example: "I like coffee" → "I do not like coffee"

1 Use auxiliary verbs when available
2 Add "do/does/did" for simple tenses
3 Contract "not" to "n't" in spoken English
4 Place "not" after the auxiliary verb

1 Use "do not" (don't) for I/You/We/They
2 Use "does not" (doesn't) for He/She/It
3 Keep main verb in base form
4 Example: "I play" → "I don't play", "She plays" → "She doesn't play"

1 I don't like coffee → I do not like coffee
2 You don't study French → You do not study French
3 He doesn't work here → He does not work here
4 She doesn't go to school → She does not go to school
5 They don't live in Paris → They do not live in Paris

1 Use "am not", "is not", "are not" (aren't)
2 Keep the main verb in "-ing" form
3 Place "not" after the be verb
4 Example: "I am reading" → "I am not reading"

1 I am not studying → I'm not studying
2 You are not listening → You aren't listening
3 He is not working → He isn't working
4 She is not reading → She isn't reading
5 They are not playing → They aren't playing

1 Use "did not" (didn't) for all subjects
2 Keep main verb in base form
3 "Did" carries the past tense
4 Example: "I played" → "I didn't play"

1 I didn't go to school → I did not go to school
2 You didn't study → You did not study
3 He didn't work → He did not work
4 She didn't eat → She did not eat
5 They didn't visit → They did not visit

1 Use "was not" (wasn't) for I/He/She/It
2 Use "were not" (weren't) for You/We/They
3 Keep the main verb in "-ing" form
4 Example: "I was reading" → "I wasn't reading"

1 I wasn't studying → I was not studying
2 You weren't listening → You were not listening
3 He wasn't working → He was not working
4 She wasn't reading → She was not reading
5 They weren't playing → They were not playing

1 Use "will not" (won't) for all subjects
2 Keep main verb in base form
3 Example: "I will go" → "I won't go"
4 Example: "She will study" → "She won't study"

1 Use "am not going to", "is not going to", "are not going to"
2 Keep main verb in base form
3 Example: "I am going to study" → "I am not going to study"
4 Example: "She is going to work" → "She isn't going to work"

1 Can → Cannot/Cannot (can't)
2 Could → Could not (couldn't)
3 May → May not (mayn't - rarely used, use "cannot")
4 Might → Might not (mightn't - rarely used, use "cannot")
5 Must → Must not (mustn't)
6 Should → Should not (shouldn't)
7 Would → Would not (wouldn't)

1 I can't swim → I cannot swim
2 You couldn't help → You could not help
3 He mustn't leave → He must not leave
4 She shouldn't go → She should not go
5 They wouldn't come → They would not come

1 I like coffee → I don't like coffee
2 She plays tennis → She doesn't play tennis
3 They are happy → They aren't happy
4 He was at school → He wasn't at school
5 We will come tomorrow → We won't come tomorrow
6 You can help me → You can't help me

1. Use appropriate auxiliary for each tense
2. Keep main verb in correct form
3. Remember contractions for spoken English

1 I ___ (like) apples → I don't like apples
2 She ___ (work) here → She doesn't work here
3 They ___ (are) students → They aren't students
4 He ___ (was) at home → He wasn't at home
5 We ___ (will) attend → We won't attend
6 You ___ (can) swim → You can't swim

1. don't, 2. doesn't, 3. aren't, 4. wasn't, 5. won't, 6. can't

1 ❌ "I doesn't like coffee" → ✅ "I don't like coffee"
2 ❌ "She don't work here" → ✅ "She doesn't work here"
3 ❌ "He wasn't studied" → ✅ "He wasn't studying"
4 ❌ "They didn't went to school" → ✅ "They didn't go to school"
5 ❌ "I can't to swim" → ✅ "I can't swim"
6 ❌ "She won't goes to work" → ✅ "She won't go to work"

1. Wrong auxiliary verb agreement
2. Incorrect verb form after auxiliary
3. Adding "to" after modal verbs
4. Using past tense form after "did"

1 do not → don't
2 does not → doesn't
3 am not → (no contraction, but informal "ain't")
4 is not → isn't
5 are not → aren't

1 did not → didn't
2 was not → wasn't
3 were not → weren't

1 will not → won't
2 cannot → can't
3 could not → couldn't
4 should not → shouldn't
5 would not → wouldn't

1 ❌ "I doesn't like" → ✅ "I don't like"
2 ❌ "She don't work" → ✅ "She doesn't work"
3 ❌ "He didn't went" → ✅ "He didn't go"
4 ❌ "They wasn't" → ✅ "They weren't"
5 ❌ "I can't to do it" → ✅ "I can't do it"

1 ❌ "I didn't studied" → ✅ "I didn't study"
2 ❌ "She doesn't goes" → ✅ "She doesn't go"
3 ❌ "We won't goes" → ✅ "We won't go"
4 ❌ "He won't to come" → ✅ "He won't come"

A: Do you like coffee?
B: No, I don't like coffee. I prefer tea.
A: Are you studying French?
B: No, I'm not studying French. I'm studying Spanish.
A: Did you go to school yesterday?
B: No, I didn't go to school. I was sick.
A: Will you come to the party tonight?
B: No, I won't come. I have to work.
A: Can you help me with my homework?
B: Sorry, I can't help you. I'm busy.

• 1 Pay attention to auxiliary verb agreement
• 2 Use correct verb forms after auxiliaries
• 3 Practice with a partner if possible
• 4 Focus on natural rhythm and intonation

What is the correct negative form of "She plays tennis"?:
A) She don't play tennis
B) She doesn't plays tennis
C) She doesn't play tennis
Answer: C) She doesn't play tennis

How do you negate "I went to school"?:
A) I didn't went to school
B) I didn't go to school
C) I don't go to school
Answer: B) I didn't go to school

What is the correct negative form of "We are studying"?:
A) We aren't studying
B) We don't studying
C) We aren't study
Answer: A) We aren't studying

• Present Simple: do/does + not + base verb
• Present Continuous: am/is/are + not + verb+ing
• Past Simple: did + not + base verb
• Past Continuous: was/were + not + verb+ing
• Future: will + not + base verb
• Modal Verbs: modal + not + base verb

• Use appropriate auxiliary for each tense
• Keep main verb in correct form
• Remember contractions for spoken English
• Subject-verb agreement is crucial