PRC Common Error Mapping Matrix
前三行是顾问课上优先圈的：时态一致、漏限定词、搭配直译。Curriculum Fix 指向本周作业。
| Error Category | Typical PRC Transfer | SG MOE / Cambridge Correction | Curriculum Fix |
|---|---|---|---|
Tense Consistency A2-3 · SEC-0 | Yesterday I go to school and see my friend. | Yesterday I went to school and saw my friend. | Drill past tense markers and irregular verbs (go→went, see→saw). |
Missing Determiners A2-0 | Teacher said we must finish book. | The teacher said we must finish the book. | Practice singular countable nouns: the teacher, the book, a bottle. |
Collocation Errors vocab · AEIS | He made a decision to take a walk. | He made a decision to go for a walk. | Direct collocation sheets: make a decision, go for a walk, turn off the lights. |
Zero article A2-0 · A2-11 | I go to school by the bus. | I go to school by bus. | by bus / by MRT — no the. |
Subject-verb agreement A2-1 | She wake up at 6:15. | She wakes up at 6:15. | he/she/it + -s on present verbs. |
Subject-verb agreement SEC-1 | Everyone have a tray. | Everyone has a tray. | everyone/each + singular verb. |
Tense Consistency B1-0 · SEC-8 | I have went there last year. | I came last year. / I have been here for six months. | finished time → past simple; since/for still true → present perfect. |
Tense Consistency A2-2 | I painting now. | I am painting now. | be + -ing for right now. |
Missing Determiners A2-4 · SEC-3 | I have a homework. | I have some homework. / I have a piece of homework. | countable vs uncountable drills. |
Collocation Errors A2-5 · B1-1 | Priya is more faster than me. | Priya is faster than I am. / Priya is faster than me. | short adj + -er; no more + -er. |
Missing Determiners A2-6 · SEC-2 | English is in Monday at the morning. | English is on Monday in the morning. | on + day; at + clock; in + morning. |
Missing Determiners A2-11 | We meet in the school gate. | We meet at the school gate. | at the gate; in the classroom; on the bus. |
Collocation Errors A2-9 | I enjoy to read in the library. | I enjoy reading in the library. | like/enjoy + -ing. |
Collocation Errors A2-8 · SEC-4 | You must to queue. | You must queue. | must/can/should + base verb. |
Tense Consistency B1-7 · SEC-0 · SEC-9 | Although I was nervous, but I tried. | Although I was nervous, I tried. | although OR but, not both. |
Tense Consistency SEC-6 | Because it rained, so Sports Day stopped. | Because it rained, Sports Day stopped. | because OR so, not both. |
Tense Consistency SEC-7 | If the bell rings, we stand. (every day, certain) | When the bell rings, we stand. | when = certain; if = possible. |
Collocation Errors B1-9 · SEC-10 | He is enough tall to reach the shelf. | He is tall enough to reach the shelf. | too + adj; adj + enough. |
Missing Determiners B1-5 | The book who I read was long. | The book which/that I read was long. | who for people; which/that for things. |
Tense Consistency B1-4 | Ms Tan said the test is tomorrow. (said yesterday) | Ms Tan said the test was the next day. | backshift will→would, today→that day. |
Missing Determiners SEC writing | I was late, I missed the bus. | I was late because I missed the bus. | Full stop or a linker, not a comma, between two clauses. |
Mathematics MATH-0 · MATH-1 | 3 × 5 = 8 | 3 × 5 = 15 | 先标运算，再算；乘除不要加。 |
Mathematics MATH-14 | 67 890 > 67 980 | 67 980 > 67 890 | 从最高位往右比。 |
Mathematics MATH-0 | $6.75 = 75 cents | $6.75 = 675 cents | $1 = 100 cents; 件数要乘单价。 |
Mathematics MATH-15 | 3/4 of 20 = 80 | 3/4 of 20 = 15 | 先除分母再乘分子。 |
Mathematics MATH-0 | 10 stickers, gives 3, 10 + 3 = 13 | 10 − 3 = 7 | 圈问题：一共 / 还剩 / 每个。 |
Mathematics MATH-4 | 1 h 20 min + 40 min = 1 h 60 min | 2 hours | 60 min = 1 h; 1000 g = 1 kg. |
Mathematics SMATH-44 | Triangle angles add to 360° | Triangle angles add to 180° | 周长加边；面积乘；三角形 180°。 |
Mathematics SMATH-stats | Median of 20, 1, 8 is 1 | Order first, then take the middle. | 先排序再找中位数；平均数 = 总和 ÷ 个数。 |
Mathematics SMATH-N5 | 3(x + 2) = 3x + 2 | 3(x + 2) = 3x + 6 | 每一项都乘；两边做同样运算。 |
Mathematics MATH-percent | 20% of 150 = 20 | 20% of 150 = 30 | 先换成小数或分数再乘。 |
Mathematics MATH-ratio | 2 : 3 of 25 → 2 and 3 | 5 parts; 25 ÷ 5 = 5; shares 10 and 15 | 先加份数，再乘每份的值。 |
Mathematics SMATH-speed | 120 km in 2 h = 240 km/h | speed = 120 ÷ 2 = 60 km/h | speed = distance ÷ time. |