to underestimate — English conjugation

Frequency#1682Regular

Indicative

Present (Simple Present) Regular

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
Iunderestimate
youunderestimate
he/she/itunderestimates
weunderestimate
you (pl.)underestimate
theyunderestimate

Past (Simple Past) Regular

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
Iunderestimated
youunderestimated
he/she/itunderestimated
weunderestimated
you (pl.)underestimated
theyunderestimated

Present continuous (Present Continuous) Regular

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 underestimating
youare underestimating
he/she/itis underestimating
weare underestimating
you (pl.)are underestimating
theyare underestimating

Past continuous (Past Continuous) Regular

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 underestimating
youwere underestimating
he/she/itwas underestimating
wewere underestimating
you (pl.)were underestimating
theywere underestimating

Present perfect (Present Perfect) Regular

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 underestimated
youhave underestimated
he/she/ithas underestimated
wehave underestimated
you (pl.)have underestimated
theyhave underestimated

Past perfect (Past Perfect) Regular

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 underestimated
youhad underestimated
he/she/ithad underestimated
wehad underestimated
you (pl.)had underestimated
theyhad underestimated

Future (will) (Future Simple) Regular

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 underestimate
youwill underestimate
he/she/itwill underestimate
wewill underestimate
you (pl.)will underestimate
theywill underestimate

Future continuous (Future Continuous) Regular

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 underestimating
youwill be underestimating
he/she/itwill be underestimating
wewill be underestimating
you (pl.)will be underestimating
theywill be underestimating

Future perfect (Future Perfect) Regular

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 underestimated
youwill have underestimated
he/she/itwill have underestimated
wewill have underestimated
you (pl.)will have underestimated
theywill have underestimated

Subjunctive

Conditional (would) (Conditional) Regular

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 underestimate
youwould underestimate
he/she/itwould underestimate
wewould underestimate
you (pl.)would underestimate
theywould underestimate