The Verb "Sneak" in English

Conjugation of "To Sneak"

The verb "sneak" is an irregular verb. (This means that "sneak" does not form its simple past tense or its past participle by adding "-ed" or "-d" to the base form.)

The Five Forms of "To Sneak"

Form	sneak	Alternative Name
Base Form	sneak	Infinitive Form
The -S Form	sneaks	Third Person Singular Form
Past Form	sneaked (also snuck)	Simple Past Tense
The -ING Form	sneaking	Present Participle Form
The Past Participle Form	sneaked (also snuck)	[no alternative name]

"To Sneak" in All the Tenses

The tables below show how "sneak" conjugates in the past, present, and future tenses.

Past Tenses

Person	Simple Past	Past Progressive Tense	Past Perfect Tense	Past Perfect Progressive Tense
I you he/she/it we you they	sneaked (also snuck) sneaked (also snuck) sneaked (also snuck) sneaked (also snuck) sneaked (also snuck) sneaked (also snuck) The simple past tense is for a completed activity that happened in the past.	was sneaking were sneaking was sneaking were sneaking were sneaking were sneaking The past progressive tense is for an ongoing activity in the past. Often, it is used to set the scene for another action.	had sneaked (also snuck) had sneaked (also snuck) had sneaked (also snuck) had sneaked (also snuck) had sneaked (also snuck) had sneaked (also snuck) The past perfect tense is for emphasizing that an action was completed before another took place.	had been sneaking had been sneaking had been sneaking had been sneaking had been sneaking had been sneaking The past perfect progressive tense is for showing that an ongoing action in the past has ended.

Present Tenses

Person	Simple Present	Present Progressive Tense	Present Perfect Tense	Present Perfect Progressive Tense
I you he/she/it we you they	sneak sneak sneaks sneak sneak sneak The simple present tense is mostly for a fact or a habit.	am sneaking are sneaking is sneaking are sneaking are sneaking are sneaking The present progressive tense is for an ongoing action in the present.	have sneaked (also snuck) have sneaked (also snuck) has sneaked (also snuck) have sneaked (also snuck) have sneaked (also snuck) have sneaked (also snuck) The present perfect tense is for an action that began in the past. (Often, the action continues into the present.)	have been sneaking have been sneaking has been sneaking have been sneaking have been sneaking have been sneaking The present perfect progressive tense is for a continuous activity that began in the past and continues into the present (or finished very recently).

Future Tenses

Person	Simple Future	Future Progressive Tense	Future Perfect Tense	Future Perfect Progressive Tense
I you he/she/it we you they	will sneak will sneak will sneak will sneak will sneak will sneak The simple future tense is for an action that will occur in the future.	will be sneaking will be sneaking will be sneaking will be sneaking will be sneaking will be sneaking The future progressive tense is for an ongoing action that will occur in the future.	will have sneaked (also snuck) will have sneaked (also snuck) will have sneaked (also snuck) will have sneaked (also snuck) will have sneaked (also snuck) will have sneaked (also snuck) The future perfect tense is for an action that will have been completed at some point in the future.	will have been sneaking will have been sneaking will have been sneaking will have been sneaking will have been sneaking will have been sneaking The future perfect progressive tense is for an ongoing action that will be completed at some specified time in the future.

Most Common Irregular Verbs

The two most common irregular verbs in English are "be" and "have." These pages give more details about these two verbs:

Here are the next 10 most common irregular verbs in English:

see, say, go, come, know, get, give, become, find, and think

This page was written by Craig Shrives.