to undo — English conjugation

Frequency#1133Irregular

Indicative

Present (Simple Present) Irregular

The simple present describes habitual actions, general truths, and states. It is the most basic tense in English. For most verbs, add -s or -es for the third person singular (he, she, it).

She speaks three languages.

PronounEnglish
Iundo
youundo
he/she/itundoes
weundo
you (pl.)undo
theyundo

Past (Simple Past) Irregular

The simple past describes completed actions at a specific time in the past. Regular verbs add -ed. There are around 200 common irregular verbs with unique past forms that must be learned individually.

She spoke to the manager yesterday.

PronounEnglish
Iundid
youundid
he/she/itundid
weundid
you (pl.)undid
theyundid

Present continuous (Present Continuous) Irregular

The present continuous describes actions happening right now or temporary situations. Formed with am/is/are + verb-ing. Also used for definite future arrangements.

She is speaking to a client at the moment.

PronounEnglish
Iam undoing
youare undoing
he/she/itis undoing
weare undoing
you (pl.)are undoing
theyare undoing

Past continuous (Past Continuous) Irregular

The past continuous describes actions that were in progress at a specific moment in the past, often interrupted by another event. Formed with was/were + verb-ing.

She was speaking when the fire alarm went off.

PronounEnglish
Iwas undoing
youwere undoing
he/she/itwas undoing
wewere undoing
you (pl.)were undoing
theywere undoing

Present perfect (Present Perfect) Irregular

The present perfect connects the past to the present. It describes experiences, recent events, or situations that started in the past and continue now. Formed with have/has + past participle.

She has spoken at over fifty conferences.

PronounEnglish
Ihave undone
youhave undone
he/she/ithas undone
wehave undone
you (pl.)have undone
theyhave undone

Past perfect (Past Perfect) Irregular

The past perfect describes an action completed before another past event — the past of the past. Formed with had + past participle. Always implies a reference point in the past.

She had spoken to him before the meeting started.

PronounEnglish
Ihad undone
youhad undone
he/she/ithad undone
wehad undone
you (pl.)had undone
theyhad undone

Future (will) (Future Simple) Irregular

The future simple expresses predictions, spontaneous decisions, and promises. Formed with will + base infinitive. The contracted form will not = won't is very common in spoken English.

She will speak at the conference tomorrow.

PronounEnglish
Iwill undo
youwill undo
he/she/itwill undo
wewill undo
you (pl.)will undo
theywill undo

Future continuous (Future Continuous) Irregular

The future continuous describes an action that will be in progress at a specific future moment. Formed with will be + verb-ing. Often used to describe planned or expected ongoing actions.

This time tomorrow she will be speaking to the board.

PronounEnglish
Iwill be undoing
youwill be undoing
he/she/itwill be undoing
wewill be undoing
you (pl.)will be undoing
theywill be undoing

Future perfect (Future Perfect) Irregular

The future perfect describes an action that will be completed before a specific point in the future. Formed with will have + past participle. Common with time expressions like by then, by the time.

By Friday she will have spoken to all the clients.

PronounEnglish
Iwill have undone
youwill have undone
he/she/itwill have undone
wewill have undone
you (pl.)will have undone
theywill have undone

Subjunctive

Conditional (would) (Conditional) Irregular

The conditional describes hypothetical situations and their results. Formed with would + base infinitive. Used in if-clauses, polite requests, and reported speech about future events.

She would speak more if she had the chance.

PronounEnglish
Iwould undo
youwould undo
he/she/itwould undo
wewould undo
you (pl.)would undo
theywould undo