to ascertain — English conjugation

Frequency#1406Regular

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
Iascertain
youascertain
he/she/itascertains
weascertain
you (pl.)ascertain
theyascertain

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
Iascertained
youascertained
he/she/itascertained
weascertained
you (pl.)ascertained
theyascertained

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

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

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

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

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

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

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

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