to certify — English conjugation

Frequency#887Regular

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
Icertify
youcertify
he/she/itcertifies
wecertify
you (pl.)certify
theycertify

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
Icertified
youcertified
he/she/itcertified
wecertified
you (pl.)certified
theycertified

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

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

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

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

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

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

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

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