From root: isip
Conjugations
Past (Completed)
nag-isip
nag-I-sip
thought
Present (Incomplete)
nag-iisip
nag-i-I-sip
is thinking
Future (Contemplated)
mag-iisip
mag-i-I-sip
will think
Usage Note
Mag-isip is used to describe the active mental process of pondering, contemplating, or deliberating on a specific topic or decision. It emphasizes the effort or duration of thinking, such as when asking someone to 'think carefully' before acting.
Examples
" Mag-isip ka muna. "
Natural Translation
Think first.
Literal Translation
Think you first.
" Kailangan mong mag-isip nang mabuti. "
Natural Translation
You need to think carefully.
Literal Translation
Need you to think well.
" Bago ka magdesisyon, mag-isip kang mabuti tungkol sa magiging epekto nito sa iyong pamilya. "
Natural Translation
Before you decide, think carefully about the effect this will have on your family.
Literal Translation
Before you decide, think you well about the will-be effect of-this to your family.
Tagalog builds thousands of words from a few hundred roots.
How Tagalog words workWord family
isip has 8 related forms built from the same root.
Related Words
Explore Tagalog by topic
Free guides on grammar, vocabulary, and culture to take you past single-word lookups.

Na vs -ng in Tagalog: The Linker Rule Made Simple
When do you use na vs -ng in Tagalog? One simple rule, with clear examples, memory tips, and common mistakes explained for English-speaking beginners.

Days of the Week and Months in Tagalog
The days of the week and months in Tagalog are Spanish loanwords. Learn all 7 days and 12 months with pronunciation, plus how to say dates and 'every Monday.'

Tagalog Word Order: Sentence Structure Made Simple
Why Tagalog puts the verb first, and how ang, ng, and sa markers work. A clear guide to VSO word order, forming questions, and negation.

Po and Opo in Tagalog: Where to Put Them Right
Po and opo confuse learners — but placement follows one rule. Where po goes in a sentence, why it's opo not 'oo po', and the pronoun shift to learn.