Subject verb agreement is what it says: a verb and subject must agree in count/number. When the subject is singular, the verb follows and is singular (and vice versa).
The past tense is divided into 4 groups, all of which depict an action as occuring at a point or period of time in the past.
Want to make tense, sense? The present tense has 4 main forms: the present simple, present continuous, present perfect, and present perfect continuous. Learn more about them, here.
When to use a/an is determined by sound. Use ‘a’ when the noun starts with a consonant. Use ‘an’ when the noun begins with a vowel sound.
Wake (present tense) has two past verb forms: woke and woken. Woke is the simple past, and woken is the past participle (used with a helper verb).
Shake is the present tense. Shook is the simple past tense, and ‘had shaken’ is the past participle form of shake.
Show has three verb conjugations altogether: show, showed, and shown/showed (depending on UK/American English). Shown is the past participle of show.
‘She sprang out of bed’, is the past tense. ‘She’d sprung out of bed and scraped her knee when she hit the floor,’ uses the participle, sprung.
Swore is the simple past tense, whereas sworn is the past participle form of the present tense verb, swear.
The past tense of grow is grew. The past participle is grown, as in, ‘They have grown so much since we last saw them!’