A. Meaning Several forms of present tense in english Describe habits, unchanging situasions, fixed arrangements B . Formula 1 They/we/i/you + verb 1 + object (+) They/we/i/you + don't + verb 1 + object (-) Do + they/we/i/you + verb 1 + object ? (?) We learn science every Wednesday We don't learn science every Wednesday Do they learn science every Wednesday ? C . Formula 2 He/she/it + verb 1 + s/es/object (+) He/she/it + doesn't + verb 1 + object (-) Does + he/she/it + verb 1 + object ? (?) She goes to the bookstore every weekend She doesn't go to the bookstore every weekend Does she go to the bookstore every weekend? D . Adverbs of Time That Usually Use in Simple Present Always = selalu Usually = biasanya Often = sering Seldom = jarang Never = tidak pernah